NPPES file of Aug 9, 2026

Jonathan Mayer, DO

Emergency Medicine Physician · St Petersburg, FL

Jonathan Mayer, DO is an emergency medicine physician with a practice address in St Petersburg, Florida, and NPI 1013938547, issued on Jul 21, 2006. Check the license (Florida OS0006195, 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
1013938547
Name
Jonathan Mayer
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
OS0006195 FL
Self-reported in NPPES; status is on the state search
Practice location
2323 9TH Ave N, St Petersburg, FL 33713
Phone
(727) 328-6185
Enumerated
Jul 21, 2006
Record last updated
Jul 17, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(727) 328-6187
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 emergency medicine physician records → All 4,034 in Florida → Look up another NPI →

Also registered at 2323 9TH Ave N

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

  1. Mark Casanta, M.D.Emergency Medicine Physician1376506048
  2. Christian Imensek, MDEmergency Medicine Physician1114945094
  3. David O'Laughlin, M.D.Anesthesiology Physician1437149754
  4. Pauline Walker, RD,LDRegistered Dietitian1528113115
  5. Julio Zavala, MDEmergency Medicine Physician1740208636

Verify Jonathan Mayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS0006195    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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Jonathan Mayer among 4,034 emergency medicine physician records in Florida

Jonathan Mayer, DO is one of 4,034 emergency medicine physician records with a practice address in Florida. 84% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 62% newer
  • In a Medicare fileNo · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2008 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Florida

There are 4,034 emergency medicine physician records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,034 in Florida → Every provider in St Petersburg → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mark Casanta, M.D.St Petersburg, FL 337131376506048
  2. Mircea Cristescu, MDSt Petersburg, FL 337131992758700
  3. Christian Imensek, MDSt Petersburg, FL 337131114945094
  4. Lynea Kelly, MDSt Petersburg, FL 337131851313589
  5. Julio Zavala, MDSt Petersburg, FL 337131740208636
  6. Brian Ackerman, M.D.St Petersburg, FL 337101366684615
  7. Terry Carstensen, DOSt Petersburg, FL 337101881647683
  8. Robert Grammatico, M.D.St Petersburg, FL 337101548503311

Common questions

What is Jonathan Mayer, DO's NPI number?

Jonathan Mayer, DO's National Provider Identifier (NPI) is 1013938547, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Mayer, DO located?

The NPPES record lists a practice address at 2323 9TH Ave N, St Petersburg, FL, 33713. Phone: (727) 328-6185. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Mayer, DO's license?

NPPES lists Florida license number OS0006195, 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.