Harrison Keyes , MPAS, PA-C
Physician Assistant • Boston, MA
780 Albany St
Boston, MA 021182755
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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Harrison Keyes is listed in NPPES under Physician Assistant.
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NPI assigned on October 22, 2018; this date does not establish years in practice.
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Published CMS data list 1,463 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Atorvastatin Calcium — 143 prescription fills, including refills.
- Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) — 143 prescription fills, including refills.
- Gabapentin — 106 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 47 records in the table · Guide: How to read Medicare Part D prescriber data
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More Part D prescriptions than 95% of clinicians listed under Physician Assistant in Boston, MA (2024, 574 clinicians with data). Median for this group: 92. Middle half: 27 to 292.
More Part D prescriptions than 85% of clinicians listed under Physician Assistant in Massachusetts (2024, 2,255 clinicians with data). Median for this group: 175. Middle half: 52 to 564.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part D prescriptions went from 617 in 2020 to 1,463 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2020–2024.
Practice Location & Contact Primary Location
780 Albany St
Boston, MA 021182755
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Boston Health Care For The Homeless Program, 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
2018
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
1,934 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
$109,094 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 – by Provider and Drug, 2024.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $47.62 in 2024
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2024.
Years since graduation
8 years (graduated 2018)
CMS Doctors and Clinicians data list 2018 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
2018
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, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Harrison Keyes 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 Harrison Keyes 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 D prescriptions
More Part D prescriptions than 95% of clinicians listed under Physician Assistant in Boston, MA (2024, 574 clinicians with data). Median for this group: 92. Middle half: 27 to 292.
More Part D prescriptions than 85% of clinicians listed under Physician Assistant in Massachusetts (2024, 2,255 clinicians with data). Median for this group: 175. Middle half: 52 to 564.
Part D drug cost
A higher Part D drug cost than 80% of clinicians listed under Physician Assistant in Boston, MA (2024, 574 clinicians with data). Median for this group: $1,258. Middle half: $294 to $26,549.
A higher Part D drug cost than 80% of clinicians listed under Physician Assistant in Massachusetts (2024, 2,255 clinicians with data). Median for this group: $2,484. Middle half: $458 to $50,541.
1,660 active clinicians are listed under Physician Assistant with a practice address in Boston, MA (4,715 in Massachusetts).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Boston
15.4% of these 1,660 clinicians have the CMS telehealth indicator.
57.1% of these 1,660 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 D prescriptions
Medicare Part D prescriptions increased 137% from 617 in 2020 to 1,463 in 2024.
- 2020: 617
- 2021: 808
- 2022: 1,335
- 2023: 1,531
- 2024: 1,463
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30-day fills
30-day fills increased 164% from 733 in 2020 to 1,934 in 2024.
- 2020: 733
- 2021: 1,008
- 2022: 1,647
- 2023: 1,993
- 2024: 1,934
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Part D drug cost
Part D drug cost increased 184% from $38,422 in 2020 to $109,094 in 2024.
- 2020: $38,422
- 2021: $34,498
- 2022: $76,713
- 2023: $141,051
- 2024: $109,094
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Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2024 only.
Sources: CMS Medicare Part D Prescribers (2024), CMS Open Payments (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · 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 2024 (payments made January 1 – December 31, 2024): fewer than 11 records totaling $47.62.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Gilead Sciences, Inc. |
Food and Beverage
In-kind items and services
|
— | General | $47.62 |
Source: CMS Open Payments, program year 2024, released June 30, 2026.
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 |
|---|---|---|---|---|---|
| Atorvastatin Calcium | Atorvastatin Calcium | 143 | 6,286 | $1,611.99 | 42 |
| Buprenorphine-Naloxone | Buprenorphine Hcl/Naloxone Hcl | 143 | 2,275 | $16,129.08 | 59 |
| Gabapentin | Gabapentin | 106 | 3,250 | $1,650.27 | 23 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 101 | 1,966 | $3,013.06 | 29 |
| Lisinopril | Lisinopril | 71 | 3,202 | $453.35 | 25 |
| Amlodipine Besylate | Amlodipine Besylate | 60 | 3,148 | $295.30 | 18 |
| Ibuprofen | Ibuprofen | 53 | 1,617 | $472.06 | 18 |
| Tamsulosin Hcl | Tamsulosin Hcl | 43 | 2,004 | $526.78 | 16 |
| Metoprolol Succinate | Metoprolol Succinate | 40 | 2,100 | $379.77 | 14 |
| Metformin Hcl | Metformin Hcl | 38 | 1,397 | $350.94 | 11 |
| Omeprazole | Omeprazole | 38 | 1,945 | $379.13 | 14 |
| Diclofenac Sodium | Diclofenac Sodium | 37 | 1,163 | $1,396.97 | 15 |
| Oxycodone Hcl | Oxycodone Hcl | 31 | 803 | $1,048.88 | — |
| Fluticasone Propionate | Fluticasone Propionate | 28 | 1,470 | $491.07 | 11 |
| Losartan Potassium | Losartan Potassium | 28 | 1,008 | $229.76 | — |
| Trulicity | Dulaglutide | 27 | 758 | $25,811.69 | — |
| Levothyroxine Sodium | Levothyroxine Sodium | 26 | 1,620 | $310.97 | — |
| Chlorthalidone | Chlorthalidone | 25 | 1,018 | $335.11 | — |
| Varenicline Tartrate | Varenicline Tartrate | 24 | 498 | $3,325.04 | — |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 21 | 1,100 | $1,971.20 | — |
| Suboxone | Buprenorphine Hcl/Naloxone Hcl | 21 | 319 | $8,012.75 | 13 |
| Ventolin Hfa | Albuterol Sulfate | 19 | 346 | $1,196.34 | — |
| Spironolactone | Spironolactone | 18 | 540 | $156.03 | — |
| Eliquis | Apixaban | 17 | 570 | $10,414.08 | — |
| Montelukast Sodium | Montelukast Sodium | 16 | 840 | $137.16 | — |
(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
NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20190204001765
MA
5193062867
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
Boston Health Care For The Homeless Program, Inc.
112 Southampton St, Boston, MA 021182711
Phone: 6175342881
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner
AGPCNPBC, Registered Nurse, Certified Diabetes Educator
Psychiatry & Neurology - Psychiatry
Doctor of Medicine (M.D.)
Nurse Practitioner
Family Nurse Practitioner
Internal Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner
Certified Nurse Practitioner
Preventive Medicine - Addiction Medicine
Doctor of Medicine (M.D.)
Career & Practice History
NPI enumerated October 22, 2018.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from November 2018 to August 2026.
NPI Administrative Meta
Other Physician Assistants in Boston
- Ryan Fong, PA-C
- Ella Beardsley
- Alyson Wade
- Leah Koechlin, RPA-C
- Elissa Hokinson, PA-C
- Michele Elms, PA
Mailing Address
780 Albany St
Boston, MA 021182755
Phone: 8576541000