Wen Han, M.D.
NPI 1104020312ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Modesto, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Sutter Valley Medical Foundation, practicing in Modesto, California. Their prescriptions cost Medicare Part D more than their services did: $2,881,020 for 7,689 claims, against $504,776 paid for services in 2024. Dexcom, Inc. was the largest of 2 companies reporting payments in 2025, $62.11 in all, mostly food and beverage. Lists Adventist Health Sonora and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1104020312 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2007 |
| Last updated in NPPES | Aug 1, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A116200 | CA |
| Internal Medicine | 207R00000X | 11013297A | IN |
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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 950 |
|---|---|
| Services billed | 24,249 across 11 procedure codes |
| Paid by Medicare | $504,776 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,689 · 16,264 30-day fills |
|---|---|
| Patients | 906 |
| Total drug cost | $2,881,020 |
| Generic share | 38% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliations
- Adventist Health SonoraSonora, CA
- Memorial Hospital Los BanosLos Banos, CA
- Memorial Medical CenterModesto, CA
- Sutter Medical Center, SacramentoSacramento, CA
Industry payments (Open Payments)
- 2025$62.11 · 3 payments from 2 companies
- 2024$569.72 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $38.53 | 2 |
| Madrigal Pharmaceuticals | $23.58 | 1 |
What the 2025 payments were for
- Food and Beverage$62.11 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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