John Chanh Phan, MD
NPI 1972608214ActiveIndividual· Internal Medicine· San Jose, CA
Internal Medicine (MD) in San Jose, California, trained at University of California, Davis School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $286,001 for 5,681 claims, against $4,353 paid for services in 2024.
Overview
| NPI | 1972608214 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Sep 12, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G75733 | 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 | 77 |
|---|---|
| Services billed | 92 across 15 procedure codes |
| Paid by Medicare | $4,353 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,681 · 13,427 30-day fills |
|---|---|
| Patients | 433 |
| Total drug cost | $286,001 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
Medical group
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
Hospital affiliation
- Santa Clara Valley Medical CenterSan Jose, CA
Other facilities
- Ace Home Health Care & Hospice, IncHome health agency · Orinda, CA
- Helenium Home Health, Inc.Home health agency · San Jose, CA
- South Springs Home Health CareHome health agency · San Jose, 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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