Kenneth A. Merkatz, M.D.
NPI 1891794905ActiveIndividual· Internal Medicine, Cardiovascular Disease· Chevy Chase, MD
Internal Medicine, Cardiovascular Disease (M.D.) in Chevy Chase, Maryland, trained at Columbia University College of Physicians and Surgeons (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $1,675,579 for 7,193 claims, against $204,625 paid for services in 2024. Novo Nordisk Inc was the largest of 17 companies reporting payments in 2025, $1,727 in all, mostly food and beverage.
Overview
| NPI | 1891794905 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2005 |
| Last updated in NPPES | Oct 2, 2026 |
| Certified by provider | Oct 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | D0106616 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CT); Practitioner - Cardiovascular Disease (Cardiology) (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,435 |
|---|---|
| Services billed | 3,602 across 52 procedure codes |
| Paid by Medicare | $204,625 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,193 · 19,351 30-day fills |
|---|---|
| Patients | 885 |
| Total drug cost | $1,675,579 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Hartford HospitalHartford, CT · 1,044 clinicians
- Starling Physicians, PLLCWethersfield, CT · 283 clinicians
Hospital affiliations
- Griffin HospitalDerby, CT
- Hartford HospitalHartford, CT
- Manchester Memorial HospitalManchester, CT
- Middlesex HospitalMiddletown, CT
- Midstate Medical CenterMeriden, CT
Industry payments (Open Payments)
- 2025$1,727 · 45 payments from 17 companies
- 2024$1,540 · 53 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $233.54 | 7 |
| Bridgebio Pharma, Inc. | $188.01 | 3 |
| Pfizer Inc. | $186.92 | 8 |
| Abbott Laboratories | $145.36 | 1 |
| Bracco Diagnostics Inc. | $143.60 | 1 |
What the 2025 payments were for
- Food and Beverage$1,695 · 44 payments
- Education$32.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other cardiologists in Chevy Chase
- 1023312576
- 1053365189
- 1235516014
- 1255863825
- 1518964410
- 1659520054
- 1871569483
- 1891953212
- 1922042241
- 1932106846
- 1962478578
- 1568437333
All 27 cardiologists in Chevy Chase · All cardiologists in Maryland