Tilahun A. Gemtessa, M.D.
NPI 1780905174ActiveIndividual· Internal Medicine, Infectious Disease· Hartford, CT
Internal Medicine, Infectious Disease (M.D.) with Trinity Health of New England Provider Network Organization Inc and 1 other group, practicing in Hartford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $93,892 for 103 claims, against $43,874 paid for services in 2024. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $45.90 in all, mostly food and beverage. Lists St Francis Hospital & Medical Center as a hospital affiliation.
Overview
| NPI | 1780905174 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 19, 2010 |
| Last updated in NPPES | Mar 30, 2024 |
| Certified by provider | Mar 30, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 052072 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (CT); Practitioner - Infectious Disease (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 527 across 15 procedure codes |
| Paid by Medicare | $43,874 |
Part D prescriptions in 2024
| Prescriptions (claims) | 103 · 109 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $93,892 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Trinity Health of New England Provider Network Organization IncHartford, CT · 653 clinicians
- Mercy Inpatient Medical Associates IncSpringfield, MA · 60 clinicians
Hospital affiliation
- St Francis Hospital & Medical CenterHartford, CT
Industry payments (Open Payments)
- 2025$45.90 · 2 payments from 2 companies
- 2024$332.86 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $23.22 | 1 |
| Paratek Pharmaceuticals, Inc. | $22.68 | 1 |
What the 2025 payments were for
- Food and Beverage$45.90 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Infectious Disease providers in Hartford
- 1851587034
- 1568672426
- 1912156597
- 1508063165
- 1346828381
- 1346806536
- 1740218346
- 1184626400
- 1831101278
- 1790944239
- 1033164363
- 1245343045
All Internal Medicine, Infectious Disease providers in Connecticut →