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