Richard Han, M.D.
NPI 1821061466ActiveIndividual· Internal Medicine· Buena Park, CA
Internal Medicine (M.D.) with Smg Medical Practice Group PC and 1 other group, practicing in Buena Park, California. Their prescriptions cost Medicare Part D more than their services did: $2,045,629 for 11,179 claims, against $49,135 paid for services in 2024. Stryker Corporation was the largest of 23 companies reporting payments in 2025, $3,105 in all, mostly food and beverage.
Overview
| NPI | 1821061466 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Feb 12, 2020 |
| Certified by provider | Feb 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G79142 | 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 | 93 |
|---|---|
| Services billed | 902 across 34 procedure codes |
| Paid by Medicare | $49,135 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,179 · 23,776 30-day fills |
|---|---|
| Patients | 452 |
| Total drug cost | $2,045,629 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
Medical groups
- Smg Medical Practice Group PCGarden Grove, CA · 6 clinicians
- Friends Medical Group IncBuena Park, CA · 3 clinicians
Other facilities
- Ace Home Health, Inc.Home health agency · Los Angeles, CA
Industry payments (Open Payments)
- 2025$3,105 · 131 payments from 23 companies
- 2024$5,156 · 132 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $595.48 | 4 |
| Abbvie Inc. | $574.84 | 22 |
| Ardelyx, Inc. | $264.95 | 10 |
| Amgen Inc. | $231.70 | 28 |
| Astrazeneca Pharmaceuticals LP | $227.24 | 12 |
What the 2025 payments were for
- Food and Beverage$2,509 · 127 payments
- Travel and Lodging$595.48 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Buena Park
- 1063609097
- 1164577706
- 1225100753
- 1366514655
- 1447665369
- 1487627261
- 1790758647
- 1922060086
- 1184685893
- 1467457101
- 1932156221
- 1003067877
All 23 internal medicine physicians in Buena Park · All internal medicine physicians in California