Walter J. Kay, D.O.
Family Medicine Physician · Tarpon Springs, FL
Walter J. Kay, D.O. is a family medicine physician with a practice address in Tarpon Springs, Florida, and NPI 1013969575, issued on May 16, 2006. Check the license (Florida OS3862, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Walter J. Kay
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS3862 FL
Self-reported in NPPES; status is on the state search - Practice location
- 955 E Martin Luther King JR Dr Ste E, Tarpon Springs, FL 34689
- Phone
- (727) 796-2444
- Enumerated
- May 16, 2006
- Record last updated
- May 12, 2025
- Fax
- (727) 796-7653
- Medicaid ID
- 22234600 FL
- Medicare enrollment
- Enrolled (PECOS I20100922001283); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1977
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Verify Walter J. Kay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS3862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average family medicine physician in 2024
9,846 Medicare Part D claims for 342 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 89 claims were for opioids.
Most prescribed
- Levothyroxine Sodium427 claims
- Atorvastatin Calcium384 claims
- Omeprazole306 claims
- Lisinopril300 claims
- Amlodipine Besylate285 claims
- Pantoprazole Sodium262 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Walter J. Kay among 9,399 family medicine physician records in Florida
Walter J. Kay, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1977 · 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).
14 family medicine physician records list a practice address in Tarpon Springs
They are 14 of the 489 NPPES records with a practice address in Tarpon Springs, and 9,399 family medicine physician records in Florida.
All 9,399 in Florida → Every provider in Tarpon Springs → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Margaret Amanti, DO, MPHTarpon Springs, FL 346891144466244
- Thomas Carson, M.D.Tarpon Springs, FL 346891427058791
- Stephanie Deverick, M.D.Tarpon Springs, FL 346891558368761
- Michael Didonna, DOTarpon Springs, FL 346891487096632
- Katie Drake, D.O.Tarpon Springs, FL 346891174504484
- Cary Hall, M.D.Tarpon Springs, FL 346891184679326
- Dolores Lowe, MDTarpon Springs, FL 346891669413738
- Chris Mattey, MDTarpon Springs, FL 346891861783524
Common questions
What is Walter J. Kay, D.O.'s NPI number?
Walter J. Kay, D.O.'s National Provider Identifier (NPI) is 1013969575, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter J. Kay, D.O. located?
The NPPES record lists a practice address at 955 E Martin Luther King JR Dr Ste E, Tarpon Springs, FL, 34689. Phone: (727) 796-2444. Providers update this record themselves, so call before visiting.
How can I verify Walter J. Kay, D.O.'s license?
NPPES lists Florida license number OS3862, 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 Walter J. Kay, D.O. prescribe under Medicare Part D?
In 2024, Walter J. Kay, D.O. had 9,846 Medicare Part D claims for 342 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Walter J. Kay, D.O.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.