Brian Sehoon Lim, M.D.
NPI 1063455210ActiveIndividual· Internal Medicine· Sacramento, CA
Internal Medicine (M.D.) in Sacramento, California, trained at Chicago College of Medicine and Surgery (class of 2002). In 2024 Medicare paid $158,799 for 360 patients, and Part D covered 495 of their prescriptions, 87% of them generic. Janssen Biotech, Inc. was the largest of 13 companies reporting payments in 2025, $1,034 in all, mostly food and beverage.
Overview
| NPI | 1063455210 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Dec 2, 2021 |
| Certified by provider | Dec 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A84622 | 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 | 360 |
|---|---|
| Services billed | 3,840 across 42 procedure codes |
| Paid by Medicare | $158,799 |
Part D prescriptions in 2024
| Prescriptions (claims) | 495 · 779 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $146,693 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- United Medical DoctorsMurrieta, CA · 173 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$1,034 · 46 payments from 13 companies
- 2024$1,045 · 34 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $193.56 | 12 |
| Madrigal Pharmaceuticals | $153.71 | 7 |
| Lilly USA, LLC | $118.45 | 1 |
| Boston Scientific Corporation | $114.06 | 2 |
| Phathom Pharmaceuticals, Inc. | $106.07 | 8 |
What the 2025 payments were for
- Food and Beverage$1,034 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 652 internal medicine physicians in Sacramento · All internal medicine physicians in California