Ronald Jeffrey Bloom, M.D.
NPI 1548238835ActiveIndividual· Internal Medicine, Cardiovascular Disease· Bloomfield, CT
Internal Medicine, Cardiovascular Disease (M.D.) with Hartford Healthcare Medical Group Specialists PLLC, practicing in Bloomfield, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $743,437 for 3,806 claims, against $70,432 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 24 companies reporting payments in 2025, $2,173 in all, mostly food and beverage.
Overview
| NPI | 1548238835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 10, 2006 |
| Last updated in NPPES | Sep 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 025827 | 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 - Cardiovascular Disease (Cardiology) (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 394 |
|---|---|
| Services billed | 1,541 across 27 procedure codes |
| Paid by Medicare | $70,432 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,806 · 10,466 30-day fills |
|---|---|
| Patients | 576 |
| Total drug cost | $743,437 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
Industry payments (Open Payments)
- 2025$2,173 · 80 payments from 24 companies
- 2024$2,365 · 93 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $340.24 | 19 |
| Bayer Healthcare Pharmaceuticals Inc. | $245.90 | 8 |
| E.R. Squibb & Sons, L.L.C. | $171.52 | 13 |
| Medtronic, Inc. | $158.94 | 1 |
| Edwards Lifesciences Corporation | $158.84 | 1 |
What the 2025 payments were for
- Food and Beverage$2,153 · 79 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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