Gagan D. Singh, M.D
NPI 1073942462ActiveIndividual· Hospitalist· Hartford, CT
Hospitalist (M.D) with Hartford Healthcare Medical Group Specialists PLLC and 2 other groups, practicing in Hartford, Connecticut. In 2024 Medicare paid $73,970 for 448 patients, and Part D covered 564 of their prescriptions, 88% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 16 companies reporting payments in 2025, $803.59 in all, mostly food and beverage. Lists Johnson Memorial Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1073942462 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Nov 6, 2013 |
| Last updated in NPPES | Jun 29, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 55373 | CT |
| Internal Medicine | 207R00000X | 55373 | 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 - Hospitalist (CT); Practitioner - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 448 |
|---|---|
| Services billed | 874 across 13 procedure codes |
| Paid by Medicare | $73,970 |
Part D prescriptions in 2024
| Prescriptions (claims) | 564 · 679 30-day fills |
|---|---|
| Patients | 216 |
| Total drug cost | $31,277 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Hospitalist |
Medical groups
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- The Hospital of Central Connecticut at New Britain General and BradleyNew Britain, CT · 399 clinicians
Hospital affiliations
- Johnson Memorial HospitalStafford Springs, CT
- Middlesex HospitalMiddletown, CT
- St Francis Hospital & Medical CenterHartford, CT
- The Hospital of Central ConnecticutNew Britain, CT
Other facilities
- Vitas Healthcare Corporation AtlanticHospice · Middlebury, CT
- Civita Care MeadowbrookNursing home · Granby, CT
Industry payments (Open Payments)
- 2025$803.59 · 31 payments from 16 companies
- 2024$715.77 · 19 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $114.80 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $98.12 | 4 |
| Abbott Laboratories | $88.46 | 4 |
| Alnylam Pharmaceuticals Inc. | $74.94 | 2 |
| Pfizer Inc. | $72.59 | 3 |
What the 2025 payments were for
- Food and Beverage$803.59 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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