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

Dr. Catherine Nasrin Williams, MD

Individual provider Addiction Medicine (Preventive Medicine) Physician · NPI 1720368129

Dr. Catherine Nasrin Williams, MD is an Addiction Medicine (Preventive Medicine) Physician in Clearwater, Florida. Licensed in Florida. Registered with an NPI since 2011.

Licensed in
FL
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3090 Charles Ave Ste B
Clearwater, FL 33761-3361
Phone: (727) 900-5533
Fax: (727) 255-5853
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence ME105967 (FL)
Addiction Medicine (Preventive Medicine) Physician Taxonomy 2083A0300X · Licence ME105967 (FL)

Record details

NPI number1720368129
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 17, 2011
Last updated in NPPESJuly 16, 2025
Certification dateJuly 16, 2025