Jeanie Ahn, M.D.
NPI 1053359356ActiveIndividual· Internal Medicine, Nephrology· Fremont, CA
Internal Medicine, Nephrology (M.D.) in Fremont, California, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $706,299 for 1,723 claims, against $287,511 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 21 companies reporting payments in 2025, $2,191 in all, mostly food and beverage.
Overview
| NPI | 1053359356 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | Nov 27, 2022 |
| Certified by provider | Nov 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A065315 | CA |
| Specialist | 174400000X | A65315 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 521 |
|---|---|
| Services billed | 2,685 across 29 procedure codes |
| Paid by Medicare | $287,511 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,723 · 4,345 30-day fills |
|---|---|
| Patients | 272 |
| Total drug cost | $706,299 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- West Coast KidneyDaly City, CA · 56 clinicians
Hospital affiliations
- Highland HospitalOakland, CA
- St Rose HospitalHayward, CA
- Washington HospitalFremont, CA
Other facilities
- Davita Fremont DialysisDialysis facility · Fremont, CA
Industry payments (Open Payments)
- 2025$2,191 · 97 payments from 21 companies
- 2024$2,005 · 77 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $426.14 | 23 |
| Novo Nordisk Inc | $310.62 | 8 |
| Fresenius USA Marketing, Inc. | $180.45 | 9 |
| Calliditas Therapeutics US Inc. | $167.87 | 11 |
| Glaxosmithkline, LLC. | $165.88 | 7 |
What the 2025 payments were for
- Food and Beverage$2,156 · 95 payments
- Education$34.57 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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