Allen Davis, M.D.
NPI 1639163439ActiveIndividual· Internal Medicine· Danbury, CT
Internal Medicine (M.D.) in Danbury, Connecticut, trained at State University of New York at Buffalo School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $793,382 for 7,755 claims, against $180,152 paid for services in 2024.
Overview
| NPI | 1639163439 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 7, 2005 |
| Last updated in NPPES | Dec 30, 2025 |
| Certified by provider | Dec 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 041832 | CT |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 353 |
|---|---|
| Services billed | 5,674 across 94 procedure codes |
| Paid by Medicare | $180,152 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,755 · 19,702 30-day fills |
|---|---|
| Patients | 743 |
| Total drug cost | $793,382 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
Medical group
- Prohealth Physicians PCWinsted, CT · 213 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Danbury HospitalDanbury, CT
Other facilities
- RvnahealthHome health agency · Ridgefield, CT
- Western Connecticut Home Care IncHome health agency · Danbury, CT
- Regional HospiceHospice · Danbury, CT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 125 internal medicine physicians in Danbury · All internal medicine physicians in Connecticut