Isaac Yang, M.D.
NPI 1669599197ActiveIndividual· Neurological Surgery· San Francisco, CA
Neurological Surgery (M.D.) in San Francisco, California, trained at University of California, Geffen School of Medicine (class of 2004). Medicare paid $42,848 for services to 76 patients in 2024. Baxter Healthcare was the largest of 9 companies reporting payments in 2025, $13,849 in all, mostly travel and lodging.
Overview
| NPI | 1669599197 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 22, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | A94314 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 116 across 19 procedure codes |
| Paid by Medicare | $42,848 |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaLos Angeles, CA · 42 clinicians
Hospital affiliations
- Lac/Harbor-Ucla Med CenterTorrance, CA
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$13,849 · 50 payments from 9 companies
- 2024$36,380 · 29 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Baxter Healthcare | $4,379 | 4 |
| Medtronic, Inc. | $4,203 | 32 |
| Gt Medical Technologies, Inc | $1,999 | 6 |
| Omniscient Neurotechnology America Ltd | $1,500 | 1 |
| Davol Inc. | $1,350 | 1 |
What the 2025 payments were for
- Travel and Lodging$4,856 · 24 payments
- Education$4,230 · 1 payment
- Honoraria$2,850 · 2 payments
- Food and Beverage$1,913 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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