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

Dr. William Francis Sullivan, MD

Individual provider General Practice Physician · NPI 1154147965

Dr. William Francis Sullivan, MD is a Family Practice in Washington, District of Columbia. Qualified in 1998, 28 years ago. Licensed in District of Columbia and Maryland.

Years since qualifying
28
Licensed in
DC, MD
In the registry since
2024
Specialties on file
2
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

37TH & O Streets North West Healy Hall Rm 424
Washington, DC 20057-0001
Phone: (202) 784-2853
Fax: (202) 687-8089
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence D0097553 (MD)
General Practice Physician Taxonomy 208D00000X · Licence MD210003174 (DC)

Record details

NPI number1154147965
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 26, 2024
Last updated in NPPESNovember 26, 2024
Certification dateNovember 26, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Not indicated

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