Jon W. Cronin, M.D.
NPI 1326085523ActiveIndividual· Internal Medicine· Milton, MA
Internal Medicine (M.D.) in Milton, Massachusetts, trained at University of Massachusetts Medical School (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,152,244 for 8,653 claims, against $275,567 paid for services in 2024. Bridgebio Pharma, Inc. was the largest of 3 companies reporting payments in 2025, $62.64 in all, mostly food and beverage.
Overview
| NPI | 1326085523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 31, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 50231 | 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 - Cardiovascular Disease (Cardiology) (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,281 |
|---|---|
| Services billed | 4,651 across 45 procedure codes |
| Paid by Medicare | $275,567 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,653 · 20,259 30-day fills |
|---|---|
| Patients | 652 |
| Total drug cost | $1,152,244 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical groups
- South Shore Internal Medicine Associates Inc.Milton, MA · 11 clinicians
- Milton Cardiac Testing, P.C.Milton, MA · 6 clinicians
Hospital affiliations
- Beth Israel Deaconess Hospital - MiltonMilton, MA
- Beth Israel Deaconess Medical CenterBoston, MA
Industry payments (Open Payments)
- 2025$62.64 · 3 payments from 3 companies
- 2024$415.28 · 17 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bridgebio Pharma, Inc. | $26.03 | 1 |
| Edwards Lifesciences Corporation | $20.48 | 1 |
| Glaxosmithkline, LLC. | $16.13 | 1 |
What the 2025 payments were for
- Food and Beverage$62.64 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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