Aaron Ihn Lee , PA-C
Physician Assistant • Cypress, CA
9485 Rosemarie Ct
Cypress, CA 906302858
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 November 18, 2020; this date does not establish years in practice.
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Published CMS data list 178 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 99204 — New patient outpatient office visit: 59 service units.
- 99214 — Established patient outpatient office visit: 55 service units.
- 99213 — Established patient outpatient office visit: 20 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® 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 6 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 420 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:
- Azithromycin — 60 prescription fills, including refills.
- Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) — 57 prescription fills, including refills.
- Methylprednisolone — 46 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 14 records in the table · 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 Physician Assistant in California (2024, 4,833 clinicians with data). Median for this group: 198. Middle half: 71 to 535.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part D prescriptions went from 74 in 2021 to 420 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2021–2024.
Practice Location & Contact Primary Location
9485 Rosemarie Ct
Cypress, CA 906302858
CMS Doctors and Clinicians lists 1 group name: Exer Medical Corporation. 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
2020
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
152 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 – by Provider, 2024.
Medicare-allowed amount
About $18,851 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 – by Provider and Service, 2024.
Paid by Medicare
About $13,759 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 – by Provider and Service, 2024.
30-day fills
435 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
$2,914 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 $126.83 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
6 years (graduated 2020)
CMS Doctors and Clinicians data list 2020 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
2020
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)
Aaron Lee 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 Aaron Lee 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 Cypress and California
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Close to the middle for clinicians listed under Physician Assistant in California (2024, 4,833 clinicians with data). Median for this group: 198. Middle half: 71 to 535.
Too few clinicians listed under Physician Assistant in Cypress have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
Close to the middle for clinicians listed under Physician Assistant in California (2024, 4,833 clinicians with data). Median for this group: $18,173. Middle half: $6,666 to $41,587.
Too few clinicians listed under Physician Assistant in Cypress have Medicare Part B data for 2024 to compare.
Paid by Medicare
Close to the middle for clinicians listed under Physician Assistant in California (2024, 4,833 clinicians with data). Median for this group: $13,209. Middle half: $4,792 to $30,879.
Too few clinicians listed under Physician Assistant in Cypress have Medicare Part B data for 2024 to compare.
Medicare Part D prescriptions
More Part D prescriptions than 60% of clinicians listed under Physician Assistant in California (2024, 7,516 clinicians with data). Median for this group: 229. Middle half: 72 to 718.
Too few clinicians listed under Physician Assistant in Cypress have Medicare Part D data for 2024 to compare.
Part D drug cost
Close to the middle for clinicians listed under Physician Assistant in California (2024, 7,516 clinicians with data). Median for this group: $3,945. Middle half: $709 to $60,209.
Too few clinicians listed under Physician Assistant in Cypress have Medicare Part D data for 2024 to compare.
2 active clinicians are listed under Physician Assistant with a practice address in Cypress, CA (14,458 in California).
Addresses are self-reported to NPPES and may be out of date.
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
CMS data for Medicare Part B services are available for 2024 only.
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Medicare-allowed amount
CMS data for Medicare-allowed amount are available for 2024 only.
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Paid by Medicare
CMS data for Medicare payment amount are available for 2024 only.
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 468% from 74 in 2021 to 420 in 2024.
- 2021: 74
- 2022: 254
- 2023: 315
- 2024: 420
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30-day fills
30-day fills increased 424% from 83 in 2021 to 435 in 2024.
- 2021: 83
- 2022: 263
- 2023: 316
- 2024: 435
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Part D drug cost
Part D drug cost went from $561 in 2021 to $2,914 in 2024.
- 2021: $561
- 2022: $2,343
- 2023: $3,604
- 2024: $2,914
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $5.50 in 2021 to $126.83 in 2024.
- 2021: $5.50
- 2022: $16.42
- 2024: $126.83
Sources: CMS Medicare Physician & Other Practitioners (2024), 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 $126.83.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Gilead Sciences, Inc. |
Food and Beverage
In-kind items and services
|
— | General | $126.83 |
Source: CMS Open Payments, program year 2024, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2023 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 – by Provider and Service data, 2024; 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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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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59 | 59 | $365.00 | $152.32 |
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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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55 | 54 | $245.00 | $116.03 |
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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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20 | 20 | $170.00 | $80.02 |
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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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18 | 18 | $245.00 | $100.72 |
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81001
Manual urinalysis test with examination using microscope, automated
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13 | 13 | $9.00 | $3.11 |
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81003
Automated urinalysis test
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13 | 13 | $8.85 | $2.20 |
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 |
|---|---|---|---|---|---|
| Azithromycin | Azithromycin | 60 | 291 | $194.51 | 60 |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 57 | 445 | $403.15 | 54 |
| Methylprednisolone | Methylprednisolone | 46 | 276 | $230.03 | 45 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 40 | 830 | $683.81 | 40 |
| Mupirocin | Mupirocin | 37 | 455 | $219.74 | 35 |
| Cephalexin | Cephalexin | 34 | 237 | $417.05 | 34 |
| Nitrofurantoin Mono-Macro | Nitrofurantoin Monohyd/M-Cryst | 30 | 155 | $244.87 | 29 |
| Fluticasone Propionate | Fluticasone Propionate | 28 | 1,290 | $216.75 | 24 |
| Fluconazole | Fluconazole | 20 | 54 | $57.29 | 17 |
| Levofloxacin | Levofloxacin | 17 | 119 | $78.08 | 17 |
| Ondansetron Odt | Ondansetron | 17 | 90 | $132.08 | 16 |
| Baclofen | Baclofen | 12 | 225 | $27.18 | 12 |
| Prednisone | Prednisone | 11 | 94 | $9.93 | 11 |
| Paxlovid | Nirmatrelvir/Ritonavir | 11 | 55 | $0.00 | 11 |
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: 2023-12-28NUCC 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.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20231219001851
CA
9032569983
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
Exer Medical Corporation
5101 Lakewood Blvd, Lakewood, CA 907122413
Phone: 5628003883
Exer Medical Corporation
8000 W Sunset Blvd, Los Angeles, CA 900462439
Phone: 2134120400
Exer Medical Corporation
1120 W Washington Blvd, Los Angeles, CA 900153316
Phone: 2137290078
Exer Medical Corporation
7077 Willoughby Ave, Los Angeles, CA 900382396
Phone: 3238265333
Exer Medical Corporation
1300 N La Brea Ave, Los Angeles, CA 900287504
Phone: 3234641336
Exer Medical Corporation
5717 Melrose Ave, Los Angeles, CA 900383807
Phone: 3239572273
Exer Medical Corporation
725 S Pacific Coast Hwy, Redondo Beach, CA 902774226
Phone: 4242963100
Exer Medical Corporation
3215 N Sepulveda Blvd, Manhattan Beach, CA 902662453
Phone: 4242950540
Exer Medical Corporation
26777 Agoura Rd, Calabasas, CA 913022967
Phone: 8188802225
Exer Medical Corporation
2603 Via Campo, Montebello, CA 906401807
Phone: 6267522770
Exer Medical Corporation
475 Foothill Blvd, La Canada, CA 910113555
Phone: 8185286377
Exer Medical Corporation
4730 Lincoln Blvd, Marina Del Rey, CA 902926902
Phone: 4243520371
Exer Medical Corporation
28900 S Western Ave, Rancho Palos Verdes, CA 902750805
Phone: 4247020500
Exer Medical Corporation
395 Silver Spur Rd, Rolling Hills Estates, CA 902743569
Phone: 4243233500
Exer Medical Corporation
2300 Wilshire Blvd, Santa Monica, CA 904035863
Phone: 4244167900
Exer Medical Corporation
9726 Venice Blvd, Culver City, CA 902322717
Phone: 3102021300
Exer Medical Corporation
14743 Ventura Blvd, Sherman Oaks, CA 914033641
Phone: 8186476850
Exer Medical Corporation
2613 Pacific Coast Hwy, Torrance, CA 905057037
Phone: 4246250220
Exer Medical Corporation
8985 Venice Blvd, Los Angeles, CA 900343344
Phone: 4245021020
Exer Medical Corporation
4121 Santa Monica Blvd, Los Angeles, CA 900292270
Phone: 2133357355
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Recorded as AARON LEE, PA-C
Physician Assistant (license number reported to NPPES: CA PA59522)
NPI status registered as active in NPPES database
Registered at 9485 ROSEMARIE CT, CYPRESS, CA 906302858 (Tel: 7146146164)
Registered at 9485 ROSEMARIE CT, CYPRESS, CA 906302858 (Tel: 7146146164)
Recorded as AARON LEE
Physician Assistant
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
9485 Rosemarie Ct
Cypress, CA 906302858
Phone: 7146146164