Theresa Chan, M.D.
NPI 1043254576ActiveIndividual· Family Medicine· Medford, OR
Family Medicine (M.D.) in Medford, Oregon, trained at Stanford University School of Medicine (class of 2001). In 2024 Medicare paid $7,818 for 96 patients, and Part D covered 65 of their prescriptions, 86% of them generic. Merck Sharp & Dohme LLC reported $28.54 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043254576 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Jun 23, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD152431 | OR |
| Family Medicine | 207Q00000X | A83176 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 142 across 17 procedure codes |
| Paid by Medicare | $7,818 |
Part D prescriptions in 2024
| Prescriptions (claims) | 65 · 68 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $1,427 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Emergency Medicine |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Peninsula Medical CenterBurlingame, CA
Industry payments (Open Payments)
- 2025$28.54 · 1 payment from 1 company
- 2024$42.10 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $28.54 | 1 |
What the 2025 payments were for
- Food and Beverage$28.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 113 family medicine physicians in Medford · All family medicine physicians in Oregon