William Daniel Finlayson, MD
Internal Medicine Physician · Eustis, FL
William Daniel Finlayson, MD is an internal medicine physician with a practice address in Eustis, Florida, and NPI 1588635064, issued on Jan 31, 2006. Check the license (Florida 038364, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William Daniel Finlayson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 038364 FL
Self-reported in NPPES; status is on the state search - Practice location
- 801 North Bay St, Eustis, FL 32726
- Phone
- (352) 589-6367
- Enumerated
- Jan 31, 2006
- Record last updated
- Feb 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (352) 589-2458
- Medicaid ID
- 064862100 FL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Verify William Daniel Finlayson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license 038364Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
27 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
William Daniel Finlayson among 10,151 internal medicine physician records in Florida
William Daniel Finlayson, MD is one of 10,151 internal medicine physician records with a practice address in Florida. 84% 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 · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2010 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Eustis
They are 6 of the 509 NPPES records with a practice address in Eustis, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Eustis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alex Bellido, MDEustis, FL 327261154489839
- Suzette Chandler, D.O.Eustis, FL 327261184609539
- Floyd Dillard, MDEustis, FL 327261043259161
- Ajit Hansalia, M.D.Eustis, FL 327261396883773
- Aftaab Aliahmad, MDDeltona, FL 327251679107064
- Hina Azmat, MDDeltona, FL 327251154567642
- Edward Cutolo, M.D.Deltona, FL 327251063485456
- Carlos Dominguez, M.DDeltona, FL 327251104864768
Common questions
What is William Daniel Finlayson, MD's NPI number?
William Daniel Finlayson, MD's National Provider Identifier (NPI) is 1588635064, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Daniel Finlayson, MD located?
The NPPES record lists a practice address at 801 North Bay St, Eustis, FL, 32726. Phone: (352) 589-6367. Providers update this record themselves, so call before visiting.
How can I verify William Daniel Finlayson, MD's license?
NPPES lists Florida license number 038364, 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 Daniel Finlayson, MD prescribe under Medicare Part D?
In 2024, William Daniel Finlayson, MD had 27 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.