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

Dr. Jan Retherford Sullivan, MD

Individual provider Multi-Specialty Clinic/Center · NPI 1780709816

Dr. Jan Retherford Sullivan, MD is a Multi-Specialty Clinic/Center in Little Rock, Arkansas. Practices as a sole proprietor. Licensed in Arkansas.

Licensed in
AR
In the registry since
2007
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

4301 W Markham St
Little Rock, AR 72205-7101
Phone: (501) 686-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence C-5306 (AR)
Multi-Specialty Clinic/Center Taxonomy 261QM1300X · Licence C5306 (AR)

Record details

NPI number1780709816
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 20, 2007
Last updated in NPPESDecember 3, 2009

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