Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael Douglas Williamson, MD

Individual provider Cardiovascular Disease Physician · NPI 1831180421

Michael Douglas Williamson, MD is a Cardiovascular Disease Physician in Clearwater, Florida. Licensed in Florida. Registered with an NPI since 2005.

Licensed in
FL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

455 Pinellas St Ste 400
Clearwater, FL 33756-3354
Phone: (727) 445-1911
Fax: (727) 445-1986
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence ME31396 (FL)

Record details

NPI number1831180421
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2005
Last updated in NPPESOctober 26, 2012
Mailing address455 Pinellas St, Ste 400, Clearwater, FL 33756-3354

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