Chien Fang, MD
NPI 1922071398ActiveIndividual· Internal Medicine· San Marino, CA
Internal Medicine (MD) in San Marino, California, trained at University of Southern California Keck School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $402,772 for 4,488 claims, against $124,006 paid for services in 2024.
Overview
| NPI | 1922071398 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 8, 2006 |
| Last updated in NPPES | Jun 14, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G69728 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 349 |
|---|---|
| Services billed | 2,073 across 22 procedure codes |
| Paid by Medicare | $124,006 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,488 · 10,428 30-day fills |
|---|---|
| Patients | 513 |
| Total drug cost | $402,772 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Huntington Medical FoundationPasadena, CA · 44 clinicians
Hospital affiliation
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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