Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

John J Zelis, MD

Individual provider Surgery Physician · NPI 1205815859

John J Zelis, MD practises General Surgery in Jacksonville, Florida. Graduated from Northeastern Ohio University College of Medicine in 1991, 35 years ago. Practices with Nautilus Health Care Group LLC, a 51-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Florida and Ohio.

Years since qualifying
35
Trained at
Northeastern Ohio University College of Medicine
Licensed in
FL, OH
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5220 Belfort Rd Ste 130
Jacksonville, FL 32256-6017
Phone: (727) 867-5480
Fax: (888) 507-9833
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 601 Main St, Dunedin, FL 34698-5848 — (855) 546-6296
  • 5731 Bee Ridge Rd, Sarasota, FL 34233-5056 — (941) 342-8060

Specialties & licences

Undersea and Hyperbaric Medicine (Preventive Medicine) Physician (primary) Taxonomy 2083P0011X · Licence ME108867 (FL)
Surgery Physician Taxonomy 208600000X · Licence 35064102 (OH)
Procedural Dermatology Physician Taxonomy 207NS0135X · Licence ME108867 (FL)

Record details

NPI number1205815859
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 12, 2006
Last updated in NPPESMay 24, 2022
Certification dateMay 24, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolNORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Nautilus Health Care Group Llc — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of tissue 106 times · 86th percentile
Removal of skin lesions 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients245
Services billed 554 a service is one billed item, such as a visit, a test or a procedure
Average patient age78

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Also affiliated with 1 long-term care hospital, which CMS identifies by certification number only.

Colleagues at Nautilus Health Care Group LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 51 clinicians in the practice; 12 are shown here.

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