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Cardiovascular Disease (Cardiology)

John M. Clark, MD

Works at hospitals in Akron, OH · Ohio

Summary

John M. Clark, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 1 hospital in Akron, OH. NPI 1801811385. 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 M. Clark, 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
35Years since medical school (graduated 1991)
Northeastern Ohio University College Of MedicineMedical school
MaleGender (as listed)
Children's Hospital Medical Center of AkronGroup practice

Quick answers

Which hospitals does John M. Clark work at?
Medicare's official clinician data lists John M. Clark at 1 hospital: Akron Children's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John M. Clark see patients?
Medicare's clinician data lists 3 practice locations, including Akron, OH and Boardman, OH. Call before your visit to confirm the address.
What is John M. Clark's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Pediatric Medicine.
Does John M. Clark accept Medicare assignment?
Yes. Medicare's clinician data says John M. Clark 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 M. Clark?
(330) 543-1000, as listed in official Medicare / NPI Registry data.
What is John M. Clark's NPI number?
1801811385. 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 M. Clark works

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

Group practices

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

  • Children's Hospital Medical Center of Akron141 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Ohio →

Other cardiologists in Akron

Clinicians with the same Medicare primary specialty in Akron, OH — not a recommendation.

All cardiologists in Akron →

Clinician information

CredentialMD
Medical schoolNortheastern Ohio University College Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801811385
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