OrganizationActive
John C. Williamson, M.D.
NPI 1902095573 · Clinical Medical Laboratory · Sarasota, FL
John C. Williamson, M.D. is a Clinical Medical Laboratory organization in Sarasota, FL (NPI 1902095573).
Provider details
- NPI number
- 1902095573
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- John Williamson, President(512) 443-5988
- License
- ME92630 (FL)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
3355 Clark Rd
Sarasota, FL 34231-8400
Phone: (941) 309-7284
Approximate (ZIP-level) locationGet directions
Mailing address
4007 James Casey St
Austin, TX 78745-3369
Other names (DBA / former)
- Doing business as
- Capitol Urology Associates
Registry dates
- Enumerated
- 2007-10-19
- Last updated
- 2007-10-19
Frequently asked questions
- What is John C. Williamson, M.D.'s NPI number?
- John C. Williamson, M.D.'s National Provider Identifier (NPI) is 1902095573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John C. Williamson, M.D.?
- John C. Williamson, M.D. is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is John C. Williamson, M.D. located?
- John C. Williamson, M.D.'s practice location on file with NPPES is 3355 Clark Rd, Sarasota, FL 34231-8400.
- What is John C. Williamson, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for John C. Williamson, M.D. is (941) 309-7284.
- Who is the authorized official for John C. Williamson, M.D.?
- The authorized official listed on John C. Williamson, M.D.'s NPPES record is John Williamson, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John C. Williamson, M.D.'s NPI active?
- Yes — John C. Williamson, M.D.'s NPI (1902095573) is active in the NPPES registry as of the last update on 2007-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.