Catherine M. Hegarty, MD
NPI 1295714657ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Springfield, MA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Springfield, Massachusetts, trained at University of Massachusetts Medical School (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $1,661,755 for 3,171 claims, against $101,200 paid for services in 2024. Dexcom, Inc. was the largest of 4 companies reporting payments in 2025, $347.18 in all, mostly food and beverage.
Overview
| NPI | 1295714657 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 13, 2006 |
| Last updated in NPPES | Feb 17, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 160277 | MA |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 047014 | 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 - Endocrinology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 478 |
|---|---|
| Services billed | 2,204 across 14 procedure codes |
| Paid by Medicare | $101,200 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,171 · 7,393 30-day fills |
|---|---|
| Patients | 560 |
| Total drug cost | $1,661,755 |
| Generic share | 39% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Mass General Brigham Medical Group Western Massachusetts IncNorthampton, MA · 291 clinicians
Hospital affiliations
- Baystate Medical CenterSpringfield, MA
- Baystate Noble HospitalWestfield, MA
- Cooley Dickinson Hospital Inc,theNorthampton, MA
- Holyoke Medical CenterHolyoke, MA
- Mercy Medical CtrSpringfield, MA
Industry payments (Open Payments)
- 2025$347.18 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $149.07 | 1 |
| Radius Health, Inc. | $92.86 | 1 |
| Amgen Inc. | $65.84 | 1 |
| E.R. Squibb & Sons, L.L.C. | $39.41 | 2 |
What the 2025 payments were for
- Food and Beverage$347.18 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Springfield
- 1396766424
- 1821337627
- 1174510465
- 1629009493
- 1710243621
- 1861955155
- 1427518521
- 1346237583
- 1457792871
- 1013983691
- 1316382823
- 1265682397
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Massachusetts →