Nicholas A. Butowski, MD
NPI 1184681009ActiveIndividual· Neurological Surgery· San Francisco, CA
Neurological Surgery (MD) in San Francisco, California, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1999). 82 Medicare patients in 2024, $47,633 paid; nearly all of their 89 Part D prescriptions were generic (93%). Ipsen Biopharmaceuticals, Inc reported $2,730 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1184681009 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 26, 2006 |
| Last updated in NPPES | Jul 23, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | A74692 | 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 - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 836 across 12 procedure codes |
| Paid by Medicare | $47,633 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 122 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $35,958 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Neurology |
| Secondary specialties | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$2,730 · 2 payments from 1 company
- 2024$2,655 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ipsen Biopharmaceuticals, Inc | $2,730 | 2 |
What the 2025 payments were for
- Consulting Fee$2,730 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other neurosurgeons in San Francisco
- 1053638320
- 1184636425
- 1194106526
- 1235519935
- 1265485155
- 1295056802
- 1316236912
- 1336441229
- 1407059066
- 1407960099
- 1497287791
- 1508018508
All 84 neurosurgeons in San Francisco · All neurosurgeons in California