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

Spencer K Sullivan, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1073735114

Spencer K Sullivan, MD is a Pediatric Hematology & Oncology Physician in Madison, Mississippi. Licensed in Mississippi. Registered with an NPI since 2007.

Licensed in
MS
In the registry since
2007
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

7730 Old Canton Rd Bldg B
Madison, MS 39110-9299
Phone: (601) 499-0935
Fax: (601) 499-0936
Show map & directions

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

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 23304 (MS)

Record details

NPI number1073735114
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2007
Last updated in NPPESApril 14, 2025
Certification dateApril 14, 2025
Mailing address7731 Old Canton Rd Ste B, Madison, MS 39110-6115