Sonwoo Lee, MD
NPI 1336168616ActiveIndividual· Internal Medicine, Rheumatology· Los Angeles, CA
Internal Medicine, Rheumatology (MD) with Westwood Medical Group,inc., practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $4,716,624 for 34,968 claims, against $288,357 paid for services in 2024. Abbvie Inc. reported $83.82 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1336168616 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | May 20, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A78556 | CA |
| Internal Medicine | 207R00000X | A78556 | 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 | 475 |
|---|---|
| Services billed | 10,122 across 41 procedure codes |
| Paid by Medicare | $288,357 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34,968 · 56,731 30-day fills |
|---|---|
| Patients | 1,353 |
| Total drug cost | $4,716,624 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Rheumatology |
Medical group
- Westwood Medical Group,inc.Los Angeles, CA · 3 clinicians
Other facilities
- Ace Home Health, Inc.Home health agency · Los Angeles, CA
- Mission Home Health Services, IncHome health agency · Los Angeles, CA
- Western Home Care, IncHome health agency · Buena Park, CA
Industry payments (Open Payments)
- 2025$83.82 · 3 payments from 1 company
- 2024$134.68 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $83.82 | 3 |
What the 2025 payments were for
- Food and Beverage$83.82 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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