William Finlayson, MD
NPI 1588635064 · Internal Medicine Physician · Eustis, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Finlayson, MD is a Internal Medicine Physician provider in Eustis, FL (NPI 1588635064).
Provider details
- NPI number
- 1588635064
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 038364 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2010-02-04
Frequently asked questions
- What is William Finlayson's NPI number?
- William Finlayson's National Provider Identifier (NPI) is 1588635064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Finlayson's specialty?
- William Finlayson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Finlayson located?
- William Finlayson's practice location on file with NPPES is 801 North Bay St, Eustis, FL 32726-2941.
- What is William Finlayson's phone number?
- The practice phone number listed in the NPPES registry for William Finlayson is (352) 589-6367.
- Does William Finlayson accept Medicare?
- William Finlayson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Finlayson's NPI active?
- Yes — William Finlayson's NPI (1588635064) is active in the NPPES registry as of the last update on 2010-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.