NPPES file of Aug 9, 2026

John Anthony Grisnik, M.D.

Family Medicine Physician · Jacksonville, FL

John Anthony Grisnik, M.D. is a family medicine physician with a practice address in Jacksonville, Florida, and NPI 1356301097, issued on Mar 25, 2006. Check the license (Florida ME43199, as entered in NPPES) on the Florida health license search; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356301097
Name
John Anthony Grisnik
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
ME43199 FL
Self-reported in NPPES; status is on the state search
Practice location
1255 Lila St, Jacksonville, FL 32208
Phone
(904) 244-5700
Enumerated
Mar 25, 2006
Record last updated
Apr 2, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(904) 244-5791
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →

Also registered at 1255 Lila St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Donald Auerbach, DOFamily Medicine Physician1104824325
  2. Charlotte Bedsole, DNP, APRN, FNP-BCFamily Nurse Practitioner1922652874
  3. Ilona Fenyo-Morales, PA-CPhysician Assistant1033178363
  4. Marcia Funderburk, M.D.Family Medicine Physician1003875345
  5. Earl Hales, PA-CMedical Physician Assistant1891776027
  6. Leonard Herring, PA-CPhysician Assistant1134189772

Verify John Anthony Grisnik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME43199    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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John Anthony Grisnik among 9,399 family medicine physician records in Florida

John Anthony Grisnik, M.D. is one of 9,399 family medicine physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 55% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2008 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

605 family medicine physician records list a practice address in Jacksonville

They are 605 of the 24,194 NPPES records with a practice address in Jacksonville, and 9,399 family medicine physician records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,399 in Florida → Every provider in Jacksonville → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Donald Auerbach, DOJacksonville, FL 322081104824325
  2. Rogers Cain, M.D.Jacksonville, FL 322081073551255
  3. Robert Dajac, M.D.Jacksonville, FL 322081104841915
  4. Marcia Funderburk, M.D.Jacksonville, FL 322081003875345
  5. Bashyam Iyengar, MDJacksonville, FL 322081205137403
  6. James Jaques, DOJacksonville, FL 322081558351767
  7. Ross Jones, M.D.Jacksonville, FL 322081700019189
  8. Kenneth Nixon, MDJacksonville, FL 322081851345714

Common questions

What is John Anthony Grisnik, M.D.'s NPI number?

John Anthony Grisnik, M.D.'s National Provider Identifier (NPI) is 1356301097, issued on Mar 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Anthony Grisnik, M.D. located?

The NPPES record lists a practice address at 1255 Lila St, Jacksonville, FL, 32208. Phone: (904) 244-5700. Providers update this record themselves, so call before visiting.

How can I verify John Anthony Grisnik, M.D.'s license?

NPPES lists Florida license number ME43199, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.