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Donald Williamson, MD
NPI 1356331649 · Anesthesiology Physician · Fort Myers, FL
Donald Williamson, MD is a Anesthesiology Physician provider in Fort Myers, FL (NPI 1356331649).
Provider details
- NPI number
- 1356331649
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME0033141 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
4048 Evans Ave
Suite 303
Fort Myers, FL 33901-9322
Phone: (239) 332-5344
Fax: (239) 332-7246
Street-level locationGet directions
Mailing address
4048 Evans Ave
Fort Myers, FL 33901-9322
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2007-08-30
Frequently asked questions
- What is Donald Williamson's NPI number?
- Donald Williamson's National Provider Identifier (NPI) is 1356331649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Williamson's specialty?
- Donald Williamson is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Williamson located?
- Donald Williamson's practice location on file with NPPES is 4048 Evans Ave, Fort Myers, FL 33901-9322.
- What is Donald Williamson's phone number?
- The practice phone number listed in the NPPES registry for Donald Williamson is (239) 332-5344.
- Is Donald Williamson's NPI active?
- Yes — Donald Williamson's NPI (1356331649) is active in the NPPES registry as of the last update on 2007-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.