Henry Jerome Koser, DO
Geriatric Medicine (Family Medicine) Physician · Clearwater, FL
Henry Jerome Koser, DO is a geriatric medicine (family medicine) physician with a practice address in Clearwater, Florida, and NPI 1457359457, issued on Jul 13, 2005. Check the license (Florida OS2430, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Henry Jerome Koser
- Credential
- DO
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- OS2430 FL
Self-reported in NPPES; status is on the state search - Practice location
- 2349 Sunset Point RD, Clearwater, FL 33765
- Phone
- (727) 796-8600
- Enumerated
- Jul 13, 2005
- Record last updated
- Feb 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (727) 796-8660
- Medicaid ID
- 062839500 FL
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 136 in Florida → Look up another NPI →
Also registered at 2349 Sunset Point RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Barry Rodwick, M. D.Internal Medicine Physician1720084445
Verify Henry Jerome Koser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS2430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
19 Medicare Part D claims, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D.
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.
Henry Jerome Koser among 136 geriatric medicine (family medicine) physician records in Florida
Henry Jerome Koser, DO is one of 136 geriatric medicine (family medicine) physician records with a practice address in Florida. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2010 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in Florida
There are 136 geriatric medicine (family medicine) physician records in Florida.
All 136 in Florida → Every provider in Clearwater → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Michele Marziano, M.D.Clearwater, FL 337601730151226
- Robert Kurtis, M.D.Clearwater, FL 337561942294400
- Larry AtkinsonSeminole, FL 337761164432514
- David Levine, MDSt Petersburg, FL 337101114914249
- Nilsa Sanchez, M.D.St Petersburg, FL 337101174500169
- Shawn Berkowitz, MDSouth Pasadena, FL 337071063479798
- Mayelin Fernandez Fuentes, APRNSebring, FL 338701457021081
- Gordon Rafool, MDWinter Haven, FL 338811407825821
Common questions
What is Henry Jerome Koser, DO's NPI number?
Henry Jerome Koser, DO's National Provider Identifier (NPI) is 1457359457, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Henry Jerome Koser, DO located?
The NPPES record lists a practice address at 2349 Sunset Point RD, Clearwater, FL, 33765. Phone: (727) 796-8600. Providers update this record themselves, so call before visiting.
How can I verify Henry Jerome Koser, DO's license?
NPPES lists Florida license number OS2430, 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 Henry Jerome Koser, DO prescribe under Medicare Part D?
In 2024, Henry Jerome Koser, DO had 19 Medicare Part D claims; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.