NPPES file of Aug 9, 2026

Whitney Zemmer, DO

Obstetrics & Gynecology Physician · St Petersburg, FL

Whitney Zemmer, DO is an obstetrics & gynecology physician with a practice address in St Petersburg, Florida, and NPI 1487149779, issued on Jun 28, 2018. Check the license (Florida OS20191, 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
1487149779
Name
Whitney Zemmer
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
OS20191 FL
5101024321 MI
Self-reported in NPPES; status is on the state search
Practice location
625 6TH Ave S Ste 350, St Petersburg, FL 33701
Phone
(727) 456-0080
Enumerated
Jun 28, 2018
Record last updated
Nov 13, 2025
Fax
(727) 456-0089
Medicaid IDs
5101024321 MI
120986100 FL
Medicare enrollment
Enrolled (PECOS I20240123003389); accepts Medicare assignment
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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Also registered at 625 6TH Ave S Ste 350

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

  1. Kimberly Biss, MDObstetrics & Gynecology Physician1396713392
  2. Shonda Combs, CNMAdvanced Practice Midwife1720865819
  3. Mona Gray, CNMAdvanced Practice Midwife1235080789
  4. Nicole Gueli, ARNPWomen's Health Nurse Practitioner1184620452
  5. Raphael Guichard, M.DObstetrics & Gynecology Physician1720384571

Verify Whitney Zemmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS20191
    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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79% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

35 Medicare Part D claims for 16 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Whitney Zemmer35
  2. Specialty average165

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: $43.78

3 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Whitney Zemmer$43.78
  2. Specialty average$1,030.61

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. Womens Care Florida LLCSt Petersburg, FL

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

Obstetrics & Gynecology Physician providers in Florida

There are 2,601 obstetrics & gynecology physician records in Florida.

Other obstetrics & gynecology physician records in Florida

  1. Sami Abboud, MDWest Palm Beach, FL1881619898
  2. Emil Abdalla, DOHollywood, FL1477532547
  3. M. Abdel-Hameed, M.DOrlando, FL1316169063
  4. Mohamed Abdelaziz, M.D.Brandon, FL1922024660
  5. Geddis Abel-Bey, M.D.Fort Lauderdale, FL1063487601
  6. Olufunke Abiose, M.D.Lutz, FL1538360680
  7. Mariam Aboulela, MDSt Petersburg, FL1013546670
  8. Margaret Abraham, MDOrlando, FL1689814584
  9. Samuel Abramovitz, M.D.Boca Raton, FL1285664136
  10. Adrian Abreu, DOMiami, FL1679070262

Common questions

What is Whitney Zemmer, DO's NPI number?

Whitney Zemmer, DO's National Provider Identifier (NPI) is 1487149779, issued on Jun 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Whitney Zemmer, DO located?

The NPPES record lists a practice address at 625 6TH Ave S Ste 350, St Petersburg, FL, 33701. Phone: (727) 456-0080. Providers update this record themselves, so call before visiting.

How can I verify Whitney Zemmer, DO's license?

NPPES lists Florida license number OS20191, 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 Whitney Zemmer, DO prescribe under Medicare Part D?

In 2024, Whitney Zemmer, DO had 35 Medicare Part D claims for 16 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.

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.