William Thomas Keweshan, DO
Family Medicine Physician · Largo, FL
William Thomas Keweshan, DO is a family medicine physician with a practice address in Largo, Florida, and NPI 1962492363, issued on Oct 26, 2005. Check the license (Florida OS0003970, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William Thomas Keweshan
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS0003970 FL
Self-reported in NPPES; status is on the state search - Practice location
- 12294 Indian Rocks RD, Largo, FL 33774
- Phone
- (727) 595-2534
- Enumerated
- Oct 26, 2005
- Record last updated
- Jul 14, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (727) 595-5059
- Medicaid ID
- 067399400 FL
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Also registered at 12294 Indian Rocks RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven BarkerFamily Nurse Practitioner1720689821
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- Keila Prewitt, ARNPFamily Nurse Practitioner1578306171
Verify William Thomas Keweshan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS0003970Check 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 family medicine physician in 2024
13 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
William Thomas Keweshan among 9,399 family medicine physician records in Florida
William Thomas Keweshan, DO 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2010 · 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).
107 family medicine physician records list a practice address in Largo
They are 107 of the 2,280 NPPES records with a practice address in Largo, and 9,399 family medicine physician records in Florida.
All 9,399 in Florida → Every provider in Largo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Salma Akhter, DOLargo, FL 337741780640078
- Dorothy Christman, MDLargo, FL 337741427029743
- David Francis, MDLargo, FL 337741528010436
- Nancy Gilhooley, M.D.Largo, FL 337741306814835
- John Gostigian, D.O.Largo, FL 337741659327500
- Monte Hill, MDLargo, FL 337741033184932
- Gregory James, DOLargo, FL 337741174541395
- Keith Kappeler, DOLargo, FL 337741932190857
Common questions
What is William Thomas Keweshan, DO's NPI number?
William Thomas Keweshan, DO's National Provider Identifier (NPI) is 1962492363, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Thomas Keweshan, DO located?
The NPPES record lists a practice address at 12294 Indian Rocks RD, Largo, FL, 33774. Phone: (727) 595-2534. Providers update this record themselves, so call before visiting.
How can I verify William Thomas Keweshan, DO's license?
NPPES lists Florida license number OS0003970, 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 William Thomas Keweshan, DO prescribe under Medicare Part D?
In 2024, William Thomas Keweshan, DO had 13 Medicare Part D claims; 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.