James Sangho Yoon, M.D.
NPI 1083041503ActiveIndividual· Family Medicine· Brea, CA
Family Medicine (M.D.) in Brea, California, trained at New York Medical College (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $750,723 for 8,630 claims, against $55,899 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 9 companies reporting payments in 2025, $588.18 in all, mostly food and beverage.
Overview
| NPI | 1083041503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 29, 2013 |
| Last updated in NPPES | Nov 11, 2021 |
| Certified by provider | Nov 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A67732 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 173 |
|---|---|
| Services billed | 963 across 45 procedure codes |
| Paid by Medicare | $55,899 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,630 · 22,145 30-day fills |
|---|---|
| Patients | 750 |
| Total drug cost | $750,723 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$588.18 · 18 payments from 9 companies
- 2024$137.88 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $164.99 | 5 |
| Dexcom, Inc. | $153.60 | 2 |
| Amgen Inc. | $72.52 | 3 |
| Sanofi-Aventis U.S. LLC | $56.40 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $38.15 | 2 |
What the 2025 payments were for
- Food and Beverage$588.18 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 59 family medicine physicians in Brea · All family medicine physicians in California