Raymond Daniel Merrick, MD
NPI 1588620108ActiveIndividual· Internal Medicine, Cardiovascular Disease· Johnson City, TN
Internal Medicine, Cardiovascular Disease (MD) in Johnson City, Tennessee, trained at University of Kentucky College of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $517,115 for 4,707 claims, against $45,320 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 11 companies reporting payments in 2025, $707.29 in all, mostly food and beverage.
Overview
| NPI | 1588620108 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 22, 2006 |
| Last updated in NPPES | Feb 16, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | MD17955 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 0101237024 | VA |
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) (TN); Practitioner - Cardiovascular Disease (Cardiology) (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 453 |
|---|---|
| Services billed | 1,146 across 32 procedure codes |
| Paid by Medicare | $45,320 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,707 · 11,075 30-day fills |
|---|---|
| Patients | 628 |
| Total drug cost | $517,115 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Wellmont Cardiology ServicesMarion, VA · 139 clinicians
Hospital affiliations
- Greeneville Community HospitalGreeneville, TN
- Johnson City Medical CenterJohnson City, TN
Industry payments (Open Payments)
- 2025$707.29 · 40 payments from 11 companies
- 2024$806.73 · 51 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $252.55 | 14 |
| Astrazeneca Pharmaceuticals LP | $190.20 | 12 |
| Amgen Inc. | $56.37 | 3 |
| Scpharmaceuticals Inc. | $44.20 | 2 |
| Novartis Pharmaceuticals Corporation | $30.11 | 2 |
What the 2025 payments were for
- Food and Beverage$707.29 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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