JOHN J ZELIS M.D.
NPI 1205815859
Preventive Medicine - Undersea and Hyperbaric Medicine in Jacksonville, FL
About John J Zelis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN J ZELIS M.D. (NPI 1205815859) is an individual undersea and hyperbaric medicine provider in Jacksonville, Florida, licensed in Florida (ME108867) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Manatee Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John J Zelis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Zelis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Melbourne, FL 32935
- Reassigned Medicare billing, Florida enrollment
- 123 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Manatee Memorial Hospital
Acute Care Hospitals · Bradenton, FLWinter Haven Hospital
Acute Care Hospitals · Winter Haven, FLHca Florida Fawcett Hospital
Acute Care Hospitals · Port Charlotte, FLHca Florida Englewood Hospital
Acute Care Hospitals · Englewood, FLLakewood Ranch Medical Center
Acute Care Hospitals · Bradenton, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32256 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSONVILLE, FL 32256
JACKSONVILLE, FL 32256
JACKSONVILLE, FL 32256
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Zelis's NPI number?
The NPI number for John Zelis is 1205815859. It was assigned to this individual provider in the NPPES registry on January 12, 2006.
Where is John Zelis located?
John Zelis practices at 5220 Belfort Rd Ste 130, Jacksonville, FL 32256. The listed phone number is (727) 867-5480.
What is John Zelis's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.
Is John Zelis enrolled in Medicare?
Yes. John Zelis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Zelis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Zelis reassigns Medicare benefits to Nautilus Health Care Group LLC (Melbourne, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Zelis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Zelis accept?
Health plans from Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health Maintenance Organization of Florida and 1 other insurer list John Zelis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Zelis affiliated with any hospitals?
According to CMS data, John Zelis is affiliated with Manatee Memorial Hospital, Winter Haven Hospital, Hca Florida Fawcett Hospital, Hca Florida Englewood Hospital and Lakewood Ranch Medical Center.
When was this NPI record last updated?
The NPPES record for John Zelis was last updated on May 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John J Zelis, M.D. · NPI 1205815859
Undersea and Hyperbaric Medicine physician in Jacksonville, Florida. Individual provider, active in the CMS NPPES registry since January 12, 2006.
## Identity
- **NPI:** 1205815859 (Entity type: Individual)
- **Enumerated:** January 12, 2006
- **Primary specialty:** Preventive Medicine - Undersea and Hyperbaric Medicine · taxonomy 2083P0011X
- **State license:** ME108867 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 5220 BELFORT RD, STE 130, Jacksonville, FL 32256-6017
- **Phone:** (727) 867-5480 · **Fax:** (888) 507-9833
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Nautilus Health Care Group LLC (NPI 1912013558, Melbourne, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northeastern Ohio University College Of Medicine, class of 1991
## Record status
- **NPPES last updated:** May 24, 2022
- **Other identifiers:** Medicaid 003472000 (FL); Medicaid 2172527 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1205815859) · Data from the CMS NPPES public registry.