Michael Lance Gerstenfeld, M.D.
NPI 1740311208ActiveIndividual· Internal Medicine· Danbury, CT
Internal Medicine (M.D.) with M Management Group LLC, practicing in Danbury, Connecticut. Part D covered 35 prescriptions written in 2024, 80% of them generic. Lists Danbury Hospital as a hospital affiliation.
Overview
| NPI | 1740311208 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 8, 2007 |
| Last updated in NPPES | Dec 31, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 031959 | CT |
| Family Medicine, Adult Medicine | 207QA0505X | 31959 | CT |
| Preventive Medicine, Public Health & General Preventive Medicine | 2083P0901X | 31959 | CT |
| Neuromusculoskeletal Medicine, Sports Medicine | 204C00000X | 031959 | CT |
| Family Medicine, Sports Medicine | 207QS0010X | 031959 | 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 - Physical Medicine and Rehabilitation (CT) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 35 · 61 30-day fills |
|---|---|
| Total drug cost | $7,044 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Physical Medicine And Rehabilitation |
| Secondary specialties | Family Practice |
Medical group
- M Management Group LLCWashington, DC · 24 clinicians
Hospital affiliation
- Danbury HospitalDanbury, CT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Danbury
- 1093794182
- 1164515383
- 1174935894
- 1205400611
- 1215945803
- 1215958145
- 1235391756
- 1306427604
- 1356786859
- 1417410887
- 1427041987
- 1447282223
All 125 internal medicine physicians in Danbury · All internal medicine physicians in Connecticut