Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiac Surgery

Stephen L. Martin, MD

Works at hospitals in Chattanooga, TN · Tennessee

Summary

Stephen L. Martin, MD (Cardiac Surgery) is listed by Medicare at 1 hospital in Chattanooga, TN. NPI 1699762146. 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 Stephen L. Martin, 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

Cardiac SurgeryPrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
University Of Tennessee, Hsc, College Of MedicineMedical school
MaleGender (as listed)
Chattanooga Diagnostic Associates LLCGroup practice

Quick answers

Which hospitals does Stephen L. Martin work at?
Medicare's official clinician data lists Stephen L. Martin at 1 hospital: Parkridge Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stephen L. Martin see patients?
Medicare's clinician data lists 1 practice location in Chattanooga, TN. Call before your visit to confirm the address.
What is Stephen L. Martin's specialty?
Medicare lists Cardiac Surgery as the primary specialty, and also Thoracic Surgery.
Does Stephen L. Martin accept Medicare assignment?
Yes. Medicare's clinician data says Stephen L. Martin 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 Stephen L. Martin?
(423) 493-5220, as listed in official Medicare / NPI Registry data.
What is Stephen L. Martin's NPI number?
1699762146. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephen L. Martin works

Medicare's Facility Affiliation Data lists Stephen L. Martin 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 Stephen L. Martin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephen L. Martin as a member of this group (CMS data updated 2026-10-02).

  • Chattanooga Diagnostic Associates LLC27 clinicians in the group

Specialties

Find other Cardiac Surgery doctors in Tennessee →

Other cardiac surgeons in Tennessee

Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.

All cardiac surgeons in Tennessee →

Clinician information

CredentialMD
Medical schoolUniversity Of Tennessee, Hsc, College Of Medicine
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699762146
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