Robert Maoshing Han, MD
NPI 1669714242ActiveIndividual· Internal Medicine· Owosso, MI
Internal Medicine (MD) with Memorial Hospital, practicing in Owosso, Michigan. Their prescriptions cost Medicare Part D more than their services did: $54,455 for 674 claims, against $25,478 paid for services in 2024. Lilly USA, LLC was the largest of 22 companies reporting payments in 2025, $1,872 in all, mostly food and beverage. Lists Memorial Healthcare as a hospital affiliation.
Overview
| NPI | 1669714242 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 21, 2013 |
| Last updated in NPPES | Oct 16, 2024 |
| Certified by provider | Oct 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301102754 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 175 |
|---|---|
| Services billed | 297 across 13 procedure codes |
| Paid by Medicare | $25,478 |
Part D prescriptions in 2024
| Prescriptions (claims) | 674 · 822 30-day fills |
|---|---|
| Patients | 282 |
| Total drug cost | $54,455 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Memorial HospitalPerry, MI · 214 clinicians
Hospital affiliation
- Memorial HealthcareOwosso, MI
Industry payments (Open Payments)
- 2025$1,872 · 87 payments from 22 companies
- 2024$1,359 · 68 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $236.00 | 7 |
| Astrazeneca Pharmaceuticals LP | $196.42 | 9 |
| Abbvie Inc. | $195.00 | 9 |
| Novo Nordisk Inc | $165.17 | 10 |
| Vanda Pharmaceuticals Inc. | $158.92 | 5 |
What the 2025 payments were for
- Food and Beverage$1,872 · 87 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 internal medicine physicians in Owosso · All internal medicine physicians in Michigan