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

Cardiovascular Disease (Cardiology)

John I. Baron, MD

Works at hospitals in Athens, AL · Sheffield, AL · Florence, AL … · Alabama

Summary

John I. Baron, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Athens, AL, Sheffield, AL and Florence, AL and other places. NPI 1649263294. 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 John I. Baron, 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
39Years since medical school (graduated 1987)
University Of South Carolina School Of MedicineMedical school
MaleGender (as listed)
Ecm Health Group LLCGroup practice

Quick answers

Which hospitals does John I. Baron work at?
Medicare's official clinician data lists John I. Baron at 5 hospitals: Athens Limestone Hospital, Helen Keller Hospital, North Alabama Medical Center, North Alabama Shoals Hospital and University of Alabama Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John I. Baron see patients?
Medicare's clinician data lists 2 practice locations, including Florence, AL and Muscle Shoals, AL. Call before your visit to confirm the address.
What is John I. Baron's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does John I. Baron accept Medicare assignment?
Yes. Medicare's clinician data says John I. Baron 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 John I. Baron?
(256) 629-1000, as listed in official Medicare / NPI Registry data.
What is John I. Baron's NPI number?
1649263294. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John I. Baron works

Medicare's Facility Affiliation Data lists John I. Baron 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 John I. Baron is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John I. Baron as a member of this group (CMS data updated 2026-10-02).

  • Ecm Health Group LLC140 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Alabama →

Other cardiologists in Florence

Clinicians with the same Medicare primary specialty in Florence, AL — not a recommendation.

All cardiologists in Florence →

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649263294
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