Nicholas Steven Regennitter, MD
NPI 1013591031ActiveIndividual· Internal Medicine· Rohnert Park, CA
Internal Medicine (MD) with Sutter Bay Medical Foundation, practicing in Rohnert Park, California. Part D covered 244 prescriptions written in 2024, 86% of them generic. Harmony Biosciences LLC reported $40.38 in payments in 2025, mostly food and beverage. Lists Sutter Santa Rosa Regional Hospital as a hospital affiliation.
Overview
| NPI | 1013591031 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 6, 2021 |
| Last updated in NPPES | Oct 24, 2025 |
| Certified by provider | Oct 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A194756 | 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 - Internal Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 244 · 397 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $20,062 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA
Other facilities
- Sutter Care at HomeHome health agency · Santa Rosa, CA
Industry payments (Open Payments)
- 2025$40.38 · 1 payment from 1 company
- 2024$84.01 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harmony Biosciences LLC | $40.38 | 1 |
What the 2025 payments were for
- Food and Beverage$40.38 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Rohnert Park
- 1063900520
- 1144495326
- 1982946547
- 1063716918
- 1295153930
- 1740369875
- 1326122490
- 1881778876