DONALD C WILLIAMSON (MD) – Anesthesiology Physician, NPI 1356331649

Anesthesiology Physician

DONALD C WILLIAMSON (MD) is a healthcare provider. based in Fort myers, Florida. specializing in Anesthesiology Physician. They hold the professional credentials MD. They hold a License No. ME0033141 (FL). The NPI Number for DONALD C WILLIAMSON (MD) is 1356331649

Main info

Male

49 Years Of Experience

Accepts Medicare Assignment

Name

DONALD C WILLIAMSON (MD)

NPI

1356331649

Phone

(239) 332-5344

Address

4048 EVANS AVE

Enumeration Date

27 October 2005

Last Update Date

30 August 2007

Doctor Profile

Medical School Name

STATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY

Secondary Phone

4073035600

Graduation Year

1977 (49 years ago)

PAC ID

2466585104

Group Practice PAC ID

0345143152

Professional Enrollment ID

I20100803000070

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience54

Completeness75

Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DONALD C WILLIAMSON (MD)

4048, Evans Avenue, Fort Myers, Lee County, Florida, 33901, United States
SUITE 303
FORT MYERS, FL 339019322
Phone: (239) 332-5344
Fax: (239) 332-7246
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 33901)

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Provider's Procedures

DONALD C WILLIAMSON (MD) performs procedures in Anesthesiology Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
ANESTHESIOLOGY	FL	01402	Anesthesia for open or endoscopic total knee joint replacement	21	21
ANESTHESIOLOGY	FL	76942	Ultrasonic guidance imaging supervision and interpretation for insertion of needle	88	87

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 0345143152View full group profile

Name	Specialty	State
DR. PAUL DAVID THOMPSON (MD)	A N E S T H E S I O L O G Y	FL
MARY T MITCHELL (CRNA)	Certified Registered Nurse Anesthetist (Crna)	FL
ALEEN JOY MCGOWAN	Certified Registered Nurse Anesthetist (Crna)	FL
M. ELIZABETH B PERRY (M.D.)	-	FL
JENNIFER MAZIAD (MD)	A N E S T H E S I O L O G Y	FL
MS. MIDALVI S LIZARDO (CRNA)	Certified Registered Nurse Anesthetist (Crna)	FL
DR. CARLOS LIGHDANO CHAVEZ (MD)	A N E S T H E S I O L O G Y	FL
JAMES A ERVANIAN (M.D.)	A N E S T H E S I O L O G Y	FL
DR. SCOTT MORROW (MD)	-	FL
DR. ERIC T KUNICHIKA (MD)	-	FL