Catherine Marie Hays, D.O.
Family Medicine Physician · St Petersburg, FL
Catherine Marie Hays, D.O. is a family medicine physician with a practice address in St Petersburg, Florida, and NPI 1720435019, issued on May 17, 2016. Check the license (Florida OS16047, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Catherine Marie Hays
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- OS16047 FL
3422 VI
Self-reported in NPPES; status is on the state search - Practice location
- 4820 5TH Ave N, St Petersburg, FL 33713
- Phone
- (727) 321-6768
- Enumerated
- May 17, 2016
- Record last updated
- Apr 1, 2025
- Fax
- (727) 327-8741
- Medicare enrollment
- Enrolled (PECOS I20240220000247); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Also registered at 4820 5TH Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Marie Hays in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS16047Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average family medicine physician in 2024
952 Medicare Part D claims for 221 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 53 claims were for opioids.
Most prescribed
- Atorvastatin Calcium47 claims
- Amlodipine Besylate33 claims
- Metformin Hcl28 claims
- Tamsulosin Hcl26 claims
- Rosuvastatin Calcium25 claims
- Levothyroxine Sodium23 claims
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: $220.04
11 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Sunergy Physicians LLCSt Petersburg, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Marie Hays among 9,399 family medicine physician records in Florida
Catherine Marie Hays, D.O. is one of 9,399 family medicine physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.
- NPI issued2016 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 2004 among the 5,504 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
204 family medicine physician records list a practice address in St Petersburg
They are 204 of the 6,159 NPPES records with a practice address in St Petersburg, and 9,399 family medicine physician records in Florida.
All 9,399 in Florida → Every provider in St Petersburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kevin Ache, D.O.St Petersburg, FL 337131437357555
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- Eric Buete, MDSt Petersburg, FL 337131740260819
- Christopher Davey, M.D, PASaint Petersburg, FL 337131962480160
- Eva Hersh, M.D.St Petersburg, FL 337131487696324
- David Hobbs, M.D. P.A.St Petersburg, FL 337131639158702
- Luke Johnsen, DOSt Petersburg, FL 337131780781591
- Cesar Jordan, M.D.St Petersburg, FL 337131306805965
Common questions
What is Catherine Marie Hays, D.O.'s NPI number?
Catherine Marie Hays, D.O.'s National Provider Identifier (NPI) is 1720435019, issued on May 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Marie Hays, D.O. located?
The NPPES record lists a practice address at 4820 5TH Ave N, St Petersburg, FL, 33713. Phone: (727) 321-6768. Providers update this record themselves, so call before visiting.
How can I verify Catherine Marie Hays, D.O.'s license?
NPPES lists Florida license number OS16047, 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 Catherine Marie Hays, D.O. prescribe under Medicare Part D?
In 2024, Catherine Marie Hays, D.O. had 952 Medicare Part D claims for 221 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.