Feyza Erenler, M.D.
NPI 1013395375ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Boston, MA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Pratt Medical Group Inc, practicing in Boston, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $678,774 for 1,230 claims, against $27,077 paid for services in 2024. Chiesi USA, Inc. was the largest of 2 companies reporting payments in 2025, $7,831 in all, mostly honoraria. Lists Tufts Medical Center as a hospital affiliation.
Overview
| NPI | 1013395375 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 7, 2015 |
| Last updated in NPPES | Sep 13, 2024 |
| Certified by provider | Sep 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 274861 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 367 across 17 procedure codes |
| Paid by Medicare | $27,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,230 · 2,602 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $678,774 |
| Generic share | 38% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Pratt Medical Group IncBoston, MA · 286 clinicians
Hospital affiliation
- Tufts Medical CenterBoston, MA
Industry payments (Open Payments)
- 2025$7,831 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Chiesi USA, Inc. | $7,781 | 6 |
| Radius Health, Inc. | $50.56 | 1 |
What the 2025 payments were for
- Honoraria$6,646 · 1 payment
- Travel and Lodging$1,006 · 2 payments
- Food and Beverage$178.83 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Boston
- 1235939927
- 1699634683
- 1104513951
- 1295554137
- 1386260594
- 1740375708
- 1104146992
- 1740774892
- 1922674134
- 1336254226
- 1548632359
- 1780675280
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Massachusetts →