Maureen M. Regan, MD
NPI 1477532273ActiveIndividual· Internal Medicine· Sonora, CA
Internal Medicine (MD) in Sonora, California, licensed in CA, with an NPI issued in January 2006. Part D covered 148 prescriptions written in 2024, 84% of them generic. Dexcom, Inc. reported $18.91 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1477532273 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 11, 2006 |
| Last updated in NPPES | Sep 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G61154 | 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) | 148 · 231 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $10,813 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
- 2025$18.91 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $18.91 | 1 |
What the 2025 payments were for
- Food and Beverage$18.91 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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