Michael Gordon Muhonen, MD
NPI 1801804810ActiveIndividual· Neurological Surgery· Orange, CA
Neurological Surgery (MD) in Orange, California, trained at Oral Roberts University School of Medicine (class of 1987). Medicare paid $71,014 for services to 32 patients in 2024. Biogen, Inc. reported $117.50 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1801804810 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Mar 19, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | G82059 | 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 - Pediatric Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 32 |
|---|---|
| Services billed | 1,357 across 15 procedure codes |
| Paid by Medicare | $71,014 |
Education and affiliations
| Medical school | Oral Roberts University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Neurosurgery |
Medical group
- Childrens Hospital of Orange CountyOrange, CA · 73 clinicians
Industry payments (Open Payments)
- 2025$117.50 · 1 payment from 1 company
- 2024$218.57 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $117.50 | 1 |
What the 2025 payments were for
- Food and Beverage$117.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 neurosurgeons in Orange · All neurosurgeons in California