NPPES file of Aug 9, 2026

John J. Zelis, M.D.

Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Jacksonville, FL

John J. Zelis, M.D. is an undersea and hyperbaric medicine (preventive medicine) physician with a practice address in Jacksonville, Florida, and NPI 1205815859, issued on Jan 12, 2006. Check the license (Florida ME108867, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205815859
Name
John J. Zelis
Credential
M.D.
Primary taxonomy
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician 2083P0011X
License numbers
ME108867 FL
35064102 OH
Self-reported in NPPES; status is on the state search
Practice location
5220 Belfort RD, Jacksonville, FL 32256
Phone
(727) 867-5480
Enumerated
Jan 12, 2006
Record last updated
May 24, 2022
Fax
(888) 507-9833
Medicaid IDs
2172527 OH
003472000 FL
Medicare enrollment
Enrolled (PECOS I20110518000525); accepts Medicare assignment
Medical or professional school
Northeastern Ohio University College Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest undersea and hyperbaric medicine (preventive medicine) physician records → All 39 in Florida → Look up another NPI →

Also registered at 5220 Belfort RD

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

  1. Anju BhatiaFamily Nurse Practitioner1407206584
  2. Stephanie Elder, MDUndersea and Hyperbaric Medicine (Preventive Medicine) Physician1346356029
  3. Kristin Eversole, ARNPUndersea and Hyperbaric Medicine (Preventive Medicine) Physician1679660567
  4. Avrohm Faber, M.D.Surgery Physician1700871415
  5. Margaret Loughran, ARNPWound Care Registered Nurse1336241074
  6. Christopher Morrison, MDFamily Medicine Physician1134150501

Verify John J. Zelis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME108867    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

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91% fewer Medicare Part D claims than the average undersea and hyperbaric medicine (preventive medicine) physician in 2024

28 Medicare Part D claims for 24 beneficiaries, against an average of 308 among the 148 providers of this specialty who prescribed in Part D.

  1. John Zelis28
  2. Specialty average308

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $17.61

1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 120 providers of this specialty with any payment received $4,669.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Zelis$17.61
  2. Specialty average$4,669.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Nautilus Health Care Group LLCTierra Verde, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John J. Zelis among 39 undersea and hyperbaric medicine (preventive medicine) physician records in Florida

John J. Zelis, M.D. is one of 39 undersea and hyperbaric medicine (preventive medicine) physician records with a practice address in Florida. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 41% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1991 · median 1998 among the 21 with a school on file
  • Record last updated2022 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0011X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Undersea and Hyperbaric Medicine (Preventive Medicine) Physician providers in Florida

There are 39 undersea and hyperbaric medicine (preventive medicine) physician records in Florida.

All 39 in Florida → Every provider in Jacksonville → Undersea and Hyperbaric Medicine (Preventive Medicine) Physician nationwide →

The 8 undersea and hyperbaric medicine (preventive medicine) physician records with the nearest ZIP codes

  1. Stephanie Elder, MDJacksonville, FL 322561346356029
  2. Kristin Eversole, ARNPJacksonville, FL 322561679660567
  3. William Welch, MDJacksonville, FL 322561720247992
  4. Richard Fontanez Aldea, MDLady Lake, FL 321591548435969
  5. Paul Johnson, MDDaytona Beach, FL 321141780767616
  6. Leonard Fichter, DOPanama City Beach, FL 324071821073719
  7. Bradley Hickey, M.D.Pensacola, FL 325081366407439
  8. Francisco Kortman, D.O.Pensacola, FL 325081528306388

Common questions

What is John J. Zelis, M.D.'s NPI number?

John J. Zelis, M.D.'s National Provider Identifier (NPI) is 1205815859, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John J. Zelis, M.D. located?

The NPPES record lists a practice address at 5220 Belfort RD, Jacksonville, FL, 32256. Phone: (727) 867-5480. Providers update this record themselves, so call before visiting.

How can I verify John J. Zelis, M.D.'s license?

NPPES lists Florida license number ME108867, 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.

How much does John J. Zelis, M.D. prescribe under Medicare Part D?

In 2024, John J. Zelis, M.D. had 28 Medicare Part D claims for 24 beneficiaries; the average among undersea and hyperbaric medicine (preventive medicine) physician prescribers was 308. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.