Dr. Peter Chien , MD, PhD
Dermatology โข Boston, MA
330 Brookline Ave, Beth Israel Deaconess Medical Center
Boston, MA 02215
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on May 8, 2007; this date does not establish years in practice.
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Published CMS data list 1,071 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 99214 โ Established patient outpatient office visit: 192 service units.
- 17003 โ Destruction of precancer skin growth, 2-14 growths: 130 service units.
- 99213 โ Established patient outpatient office visit: 122 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 17 records in the table ยท Guide: How to read Medicare Part B data
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Published CMS data list 1,336 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Ketoconazole โ 160 prescription fills, including refills.
- Tacrolimus โ 135 prescription fills, including refills.
- Dupixent Pen (Dupilumab) โ 103 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 37 records in the table ยท Guide: How to read Medicare Part D prescriber data
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Close to the middle for Medicare Part B services among clinicians listed under Dermatology in Boston, MA (2024, 150 clinicians with data). Median for this group: 974. Middle half: 419 to 1,817.
Fewer Medicare Part B services than 65% of clinicians listed under Dermatology in Massachusetts (2024, 412 clinicians with data). Median for this group: 1,804. Middle half: 853 to 3,570.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 831 in 2020 to 1,071 in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2020โ2024.
Practice Location & Contact Primary Location
330 Brookline Ave
Beth Israel Deaconess Medical Center
Boston, MA 02215
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in New York, NY. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
CMS Doctors and Clinicians lists 1 group name: Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
New York University School Of Medicine
2005
What Public CMS Data Show
Dermatology: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
467 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2024.
Medicare-allowed amount
About $80,289 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Paid by Medicare
About $55,078 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
30-day fills
1,620 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$1,527,061 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $115.70 across 5 records.
By nature of payment
- Food and Beverage: $115.70 across 5 records.
Reporting-company totals
- SUN PHARMACEUTICAL INDUSTRIES INC.: $49.31 across 2 records.
- ABBVIE INC.: $46.51 across 2 records.
- Bristol Myers Squibb Company: $19.88 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
21 years (graduated 2005)
CMS Doctors and Clinicians data list 2005 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2007
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, โDoes your provider accept Medicare as full payment?โ
Telehealth (some services)
Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.
You may be able to have some visits without going to the office. Ask which visits can be done by telehealth.
What this does not show: Telehealth (some services)
It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Chien has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Chien as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Boston and Massachusetts
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Close to the middle for clinicians listed under Dermatology in Boston, MA (2024, 150 clinicians with data). Median for this group: 974. Middle half: 419 to 1,817.
Fewer Medicare Part B services than 65% of clinicians listed under Dermatology in Massachusetts (2024, 412 clinicians with data). Median for this group: 1,804. Middle half: 853 to 3,570.
Medicare-allowed amount
Close to the middle for clinicians listed under Dermatology in Boston, MA (2024, 150 clinicians with data). Median for this group: $69,763. Middle half: $23,981 to $120,156.
A lower Medicare-allowed amount than 65% of clinicians listed under Dermatology in Massachusetts (2024, 412 clinicians with data). Median for this group: $123,974. Middle half: $61,150 to $257,057.
Paid by Medicare
Close to the middle for clinicians listed under Dermatology in Boston, MA (2024, 150 clinicians with data). Median for this group: $49,275. Middle half: $17,385 to $84,821.
A lower Medicare payment amount than 65% of clinicians listed under Dermatology in Massachusetts (2024, 412 clinicians with data). Median for this group: $86,263. Middle half: $42,834 to $181,359.
Medicare Part D prescriptions
More Part D prescriptions than 95% of clinicians listed under Dermatology in Boston, MA (2024, 180 clinicians with data). Median for this group: 224. Middle half: 89 to 573.
More Part D prescriptions than 85% of clinicians listed under Dermatology in Massachusetts (2024, 458 clinicians with data). Median for this group: 433. Middle half: 155 to 825.
Part D drug cost
A higher Part D drug cost than 95% of clinicians listed under Dermatology in Boston, MA (2024, 180 clinicians with data). Median for this group: $72,714. Middle half: $3,461 to $279,125.
A higher Part D drug cost than 95% of clinicians listed under Dermatology in Massachusetts (2024, 458 clinicians with data). Median for this group: $90,594. Middle half: $5,876 to $363,288.
266 active clinicians are listed under Dermatology with a practice address in Boston, MA (627 in Massachusetts).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Boston
18.4% of these 266 clinicians have the CMS telehealth indicator.
63.9% of these 266 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 29% from 831 in 2020 to 1,071 in 2024.
- 2020: 831
- 2021: 1,134
- 2022: 1,091
- 2023: 1,076
- 2024: 1,071
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Medicare-allowed amount
Medicare-allowed amount increased 77% from $45,327 in 2020 to $80,289 in 2024.
- 2020: $45,327
- 2021: $81,569
- 2022: $79,751
- 2023: $76,838
- 2024: $80,289
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Paid by Medicare
Paid by Medicare increased 80% from $30,598 in 2020 to $55,078 in 2024.
- 2020: $30,598
- 2021: $56,841
- 2022: $54,255
- 2023: $52,892
- 2024: $55,078
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 57% from 850 in 2020 to 1,336 in 2024.
- 2020: 850
- 2021: 1,160
- 2022: 1,054
- 2023: 1,104
- 2024: 1,336
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30-day fills
30-day fills increased 72% from 941 in 2020 to 1,620 in 2024.
- 2020: 941
- 2021: 1,320
- 2022: 1,195
- 2023: 1,302
- 2024: 1,620
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Part D drug cost
Part D drug cost increased 1125% from $124,654 in 2020 to $1,527,061 in 2024.
- 2020: $124,654
- 2021: $191,423
- 2022: $399,437
- 2023: $543,426
- 2024: $1,527,061
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $21.90 in 2021 to $115.70 in 2025.
- 2021: $21.90
- 2022: $230.05
- 2023: $129.69
- 2024: $154.30
- 2025: $115.70
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 โ December 31, 2025): fewer than 11 records totaling $115.70.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| SUN PHARMACEUTICAL INDUSTRIES INC. |
Food and Beverage
In-kind items and services
|
Winlevi | General | $26.99 |
| ABBVIE INC. |
Food and Beverage
In-kind items and services
|
RINVOQ | General | $24.66 |
| SUN PHARMACEUTICAL INDUSTRIES INC. |
Food and Beverage
In-kind items and services
|
Winlevi | General | $22.32 |
| ABBVIE INC. |
Food and Beverage
In-kind items and services
|
RINVOQ | General | $21.85 |
| Bristol Myers Squibb Company |
Food and Beverage
Cash or cash equivalent
|
Sotyktu | General | $19.88 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016โ2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ by Provider and Service data, 2017โ2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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192 | 153 | $383.03 | $124.39 |
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17003
Destruction of precancer skin growth, 2-14 growths
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130 | 29 | $18.78 | $5.06 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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122 | 119 | $275.50 | $88.31 |
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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105 | 77 | $326.00 | $101.42 |
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G2211
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
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97 | 74 | $52.10 | $17.30 |
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17110
Destruction of skin growth, 1-14 growths
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63 | 62 | $348.21 | $112.16 |
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17003
Destruction of precancer skin growth, 2-14 growths
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55 | 17 | $14.00 | $2.13 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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53 | 51 | $221.00 | $69.17 |
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17000
Destruction of precancer skin growth, 1 growth
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50 | 49 | $209.84 | $63.30 |
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G2211
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
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41 | 30 | $52.00 | $17.28 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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30 | 30 | $520.47 | $170.99 |
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99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
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28 | 28 | $347.14 | $112.90 |
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17000
Destruction of precancer skin growth, 1 growth
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26 | 22 | $185.00 | $53.59 |
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11102
Biopsy of related skin growth, first growth
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24 | 24 | $258.79 | $73.56 |
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99443
Telephone medical discussion with physician, 21-30 minutes
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24 | 21 | $266.96 | $139.10 |
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17110
Destruction of skin growth, 1-14 growths
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19 | 17 | $227.00 | $76.91 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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12 | 12 | $446.00 | $139.61 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Ketoconazole | Ketoconazole | 160 | 4,726 | $3,181.25 | 66 |
| Tacrolimus | Tacrolimus | 135 | 3,993 | $18,547.27 | 76 |
| Dupixent Pen | Dupilumab | 103 | 2,856 | $394,160.10 | 13 |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 87 | 2,916 | $1,478.31 | 60 |
| Ammonium Lactate | Ammonium Lactate | 60 | 2,104 | $1,660.23 | 30 |
| Metronidazole | Metronidazole | 53 | 1,512 | $4,284.13 | 26 |
| Betamethasone Dipropionate | Betamethasone Dipropionate | 51 | 1,211 | $1,892.86 | 28 |
| Mupirocin | Mupirocin | 48 | 711 | $349.90 | 19 |
| Fluorouracil | Fluorouracil | 44 | 1,290 | $2,139.34 | 39 |
| Tretinoin | Tretinoin | 36 | 1,058 | $2,142.15 | 17 |
| Azelaic Acid | Azelaic Acid | 36 | 1,240 | $3,416.40 | 19 |
| Skyrizi Pen | Risankizumab-Rzaa | 33 | 2,380 | $666,071.16 | 13 |
| Minoxidil | Minoxidil | 32 | 1,978 | $217.32 | โ |
| Ciclopirox | Ciclopirox Olamine | 32 | 1,285 | $1,580.79 | 17 |
| Ciclopirox | Ciclopirox | 31 | 1,080 | $1,228.40 | 14 |
| Fluocinolone Acetonide | Fluocinolone Acetonide | 29 | 793 | $793.10 | 17 |
| Imiquimod | Imiquimod | 27 | 1,666 | $859.31 | 22 |
| Doxycycline Hyclate | Doxycycline Hyclate | 26 | 825 | $317.15 | 14 |
| Hydrocortisone | Hydrocortisone | 25 | 631 | $377.26 | 16 |
| Jublia | Efinaconazole | 23 | 464 | $27,223.47 | โ |
| Fluocinonide | Fluocinonide | 21 | 625 | $783.14 | 13 |
| Econazole Nitrate | Econazole Nitrate | 21 | 996 | $954.61 | 12 |
| Clobetasol Propionate | Clobetasol Propionate | 20 | 567 | $1,476.42 | 13 |
| Valacyclovir | Valacyclovir Hcl | 20 | 871 | $504.99 | โ |
| Clindamycin Phosphate | Clindamycin Phosphate | 19 | 615 | $728.39 | 11 |
(top 25 shown)
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2024-09-16NUCC Taxonomy Code: 207N00000X
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
NUCC Taxonomy Code: 207N00000X
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - DERMATOLOGY
I20141028001895
NY
9537205422
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
330 Brookline Ave, Boston, MA 022155400
Phone: 6177548612
Secondary Practice Locations
37 E 28th St Rm 304
New York, NY 100167935
Phone: 6468201716
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Dermatology
Doctor of Medicine (M.D.)
Dermatology
Doctor of Medicine (M.D.)
Dermatology
Doctor of Medicine (M.D.)
Dermatology
Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)
Dermatology
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 330 BROOKLINE AVE, BETH ISRAEL DEACONESS MEDICAL CENTER, BOSTON, MA 02215 (Tel: 6176673753)
Recorded as PETER CHIEN, MD, PHD
Dermatology (license number reported to NPPES: NY 247913)
NPI status registered as active in NPPES database
Registered at 330 BROOKLINE AVE, BETH ISRAEL DEACONESS MEDICAL CENTER, BOSTON, MA 022155400 (Tel: 6176673753)
Registered at 330 BROOKLINE AVE, BETH ISRAEL DEACONESS MEDICAL CENTER, BOSTON, MA 022155400 (Tel: 6176673753)
Recorded as PETER CHIEN, M.D., PH.D.
Dermatology (license number reported to NPPES: MA 240816)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Dermatology Specialists in Boston
- Dr. Alison Avram, MD
- Dr. Ruth Ann Vleugels, MD
- Dr. Mathew Avram, MD
- Dr. Joseph Yardman-Frank, MD, MPH
- Dr. Martina Porter, MD
- Dr. Erika Elliott, MD
Mailing Address
330 Brookline Ave, Beth Israel Deaconess Medical Center
Boston, MA 022155400
Phone: 6176673753