Aaron I-Lun Jeng, MD, MPH
NPI 1003053851ActiveIndividual· Internal Medicine· San Gabriel, CA
Internal Medicine (MD, MPH) in San Gabriel, California, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2007). In 2024 Medicare paid $123,043,006 for 839 patients, and Part D covered 8,936 of their prescriptions, 86% of them generic. Pfizer Inc. was the largest of 5 companies reporting payments in 2025, $200.97 in all, mostly food and beverage.
Overview
| NPI | 1003053851 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MPH |
| Sole proprietor | Yes |
| NPI issued | Jan 15, 2009 |
| Last updated in NPPES | Aug 5, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A106414 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 839 |
|---|---|
| Services billed | 120,972 across 46 procedure codes |
| Paid by Medicare | $123,043,006 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,936 · 14,032 30-day fills |
|---|---|
| Patients | 763 |
| Total drug cost | $794,964 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- La Canada Medical Group IncLa Canada Flintridge, CA · 2 clinicians
Hospital affiliation
- Usc Verdugo Hills HospitalGlendale, CA
Other facilities
- Best Care Unlimited Home HealthHome health agency · Sherman Oaks, CA
- Glenwood Home Health IncHome health agency · Montclair, CA
- Odyssey Home Health Care, Inc.Home health agency · Chatsworth, CA
- Exceptional Hospice CareHospice · Upland, CA
Industry payments (Open Payments)
- 2025$200.97 · 9 payments from 5 companies
- 2024$330.16 · 13 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $64.71 | 3 |
| Gilead Sciences, Inc. | $52.96 | 3 |
| Glaxosmithkline, LLC. | $32.16 | 1 |
| Dexcom, Inc. | $31.08 | 1 |
| Abbvie Inc. | $20.06 | 1 |
What the 2025 payments were for
- Food and Beverage$200.97 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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