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

Neurology

John D. Clark, MD

Works at hospitals in Jacksonville, FL · Fernandina Beach, FL · Jacksonville Beach, FL · Florida

Summary

John D. Clark, MD (Neurology) is listed by Medicare at 3 hospitals in Jacksonville, FL, Fernandina Beach, FL and Jacksonville Beach, FL. NPI 1235166943. 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 D. 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

NeurologyPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
University Of Oklahoma College Of MedicineMedical school
MaleGender (as listed)
Baptist Neurology IncGroup practice

Quick answers

Which hospitals does John D. Clark work at?
Medicare's official clinician data lists John D. Clark at 3 hospitals: Baptist Health Medical Center - Jacksonville, Baptist Medical Center - Nassau and Baptist Medical Center Beaches. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John D. Clark see patients?
Medicare's clinician data lists 1 practice location in Fernandina Beach, FL. Call before your visit to confirm the address.
What is John D. Clark's specialty?
Medicare lists Neurology as the primary specialty.
Does John D. Clark accept Medicare assignment?
Yes. Medicare's clinician data says John D. 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 D. Clark?
(904) 376-3707, as listed in official Medicare / NPI Registry data.
What is John D. Clark's NPI number?
1235166943. 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 D. Clark works

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

Group practices

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

  • Baptist Neurology Inc50 clinicians in the group

Specialties

Find other Neurology doctors in Florida →

Other neurologists in Florida

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

All neurologists in Florida →

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235166943
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