Donald A. Ramberg, M.D.
NPI 1124093000ActiveIndividual· Neurological Surgery· San Luis Obispo, CA
Neurological Surgery (M.D.) in San Luis Obispo, California, trained at Oregon Health Sciences University School of Medicine (class of 1978). 145 Medicare patients in 2024, $71,242 paid; all of their 216 Part D prescriptions were generic. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $170.87 in all, mostly food and beverage.
Overview
| NPI | 1124093000 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 22, 2006 |
| Last updated in NPPES | Oct 13, 2026 |
| Certified by provider | Oct 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | G56939 | 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 | 145 |
|---|---|
| Services billed | 379 across 44 procedure codes |
| Paid by Medicare | $71,242 |
Part D prescriptions in 2024
| Prescriptions (claims) | 216 · 229 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $2,901 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Oregon Health Sciences University School of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Hospital affiliations
- Adventist Health Sierra VistaSan Luis Obispo, CA
- Adventist Health Twin CitiesTempleton, CA
- French Hospital Medical CenterSan Luis Obispo, CA
- Marian Regional Medical CenterSanta Maria, CA
Other facilities
- Central Coast Home Health IncHome health agency · San Luis Obispo, CA
Industry payments (Open Payments)
- 2025$170.87 · 3 payments from 2 companies
- 2024$109.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $120.25 | 2 |
| Carlsmed, Inc. | $50.62 | 1 |
What the 2025 payments were for
- Food and Beverage$170.87 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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