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Cardiovascular Disease (Cardiology)

Raymond D. Merrick, MD

Works at hospitals in Greeneville, TN · Johnson City, TN · Tennessee

Summary

Raymond D. Merrick, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Greeneville, TN and Johnson City, TN. NPI 1588620108. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Raymond D. Merrick, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
University Of Kentucky College Of MedicineMedical school
MaleGender (as listed)
Wellmont Cardiology ServicesGroup practice

Quick answers

Which hospitals does Raymond D. Merrick work at?
Medicare's official clinician data lists Raymond D. Merrick at 2 hospitals: Greeneville Community Hospital and Johnson City Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Raymond D. Merrick see patients?
Medicare's clinician data lists 1 practice location in Johnson City, TN. Call before your visit to confirm the address.
What is Raymond D. Merrick's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Raymond D. Merrick accept Medicare assignment?
Yes. Medicare's clinician data says Raymond D. Merrick accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Raymond D. Merrick?
(423) 979-6000, as listed in official Medicare / NPI Registry data.
What is Raymond D. Merrick's NPI number?
1588620108. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Raymond D. Merrick works

Medicare's Facility Affiliation Data lists Raymond D. Merrick at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Raymond D. Merrick is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Raymond D. Merrick as a member of this group (CMS data updated 2026-10-02).

  • Wellmont Cardiology Services139 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Tennessee →

Other cardiologists in Johnson City

Clinicians with the same Medicare primary specialty in Johnson City, TN — not a recommendation.

All cardiologists in Johnson City →

Clinician information

CredentialMD
Medical schoolUniversity Of Kentucky College Of Medicine
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588620108
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians