Michael Y. Oh, MD
NPI 1275508525ActiveIndividual· Neurological Surgery· Orange, CA
Neurological Surgery (MD) in Orange, California, trained at University of Southern California Keck School of Medicine (class of 1996). Mostly services rather than prescriptions: Medicare paid $72,244 for 208 patients in 2024, with only 19 Part D claims. Gs Solutions, Inc. was the largest of 16 companies reporting payments in 2025, $60,555 in all, mostly consulting fees.
Overview
| NPI | 1275508525 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2006 |
| Last updated in NPPES | Mar 21, 2023 |
| Certified by provider | Mar 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | C156484 | CA |
| Neurological Surgery | 207T00000X | MD426457 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 208 |
|---|---|
| Services billed | 460 across 56 procedure codes |
| Paid by Medicare | $72,244 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 19 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $168.33 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaOrange, CA · 27 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$60,555 · 44 payments from 16 companies
- 2024$4,689 · 37 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gs Solutions, Inc. | $36,262 | 7 |
| Xtant Medical Inc | $9,444 | 5 |
| Spineology Inc. | $8,631 | 11 |
| Kyocera Medical Technologies, Inc. | $4,400 | 1 |
| Globus Medical, Inc. | $474.71 | 4 |
What the 2025 payments were for
- Consulting Fee$50,925 · 7 payments
- Compensation for serving as faculty or as a speaker for a medical education program$6,750 · 1 payment
- Food and Beverage$2,846 · 35 payments
- Travel and Lodging$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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