Uyen-Chi N. Huynh, M.D.
NPI 1205271335ActiveIndividual· Internal Medicine· Walnut Creek, CA
Internal Medicine (M.D.) with John Muir Physician Network and 1 other group, practicing in Walnut Creek, California. In 2024 Medicare paid $329,059 for 514 patients, and Part D covered 4,315 of their prescriptions, 81% of them generic. Lists Eden Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1205271335 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 2, 2013 |
| Last updated in NPPES | Dec 19, 2025 |
| Certified by provider | Dec 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A138368 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 514 |
|---|---|
| Services billed | 3,479 across 18 procedure codes |
| Paid by Medicare | $329,059 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,315 · 4,386 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $329,000 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
- Solomon Medical IncMonterey, CA · 33 clinicians
Hospital affiliations
- Eden Medical CenterCastro Valley, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- A1 Pro Home Health Inc.Home health agency · San Leandro, CA
- Bay Nation Home Health Services IncHome health agency · Newark, CA
- Blc Homehealth IncHome health agency · San Leandro, CA
- East Bay Post-AcuteNursing home · Castro Valley, CA
- Medical Hill Healthcare CenterNursing home · Oakland, CA
- Rossmoor Post AcuteNursing home · Walnut Creek, CA
- St Francis Healthcare CenterNursing home · Hayward, CA
- Valley Pointe Nursing & Rehabilitation CenterNursing home · Castro Valley, 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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All 204 internal medicine physicians in Walnut Creek · All internal medicine physicians in California