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

Mr. Marcus Cleo Buchanan

Individual provider Case Management Agency · NPI 1447990296

Mr. Marcus Cleo Buchanan is a Case Management Agency in Tahlequah, Oklahoma. Practices as a sole proprietor. Registered with an NPI since 2022.

In the registry since
2022
Specialties on file
2

Practice location Address checks out

1400 E Downing St
Tahlequah, OK 74464-3324
Phone: (918) 456-0641
Show map & directions

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

Specialties & licences

Case Management Agency (primary) Taxonomy 251B00000X
Peer Specialist Taxonomy 175T00000X

Record details

NPI number1447990296
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 30, 2022
Last updated in NPPESMarch 30, 2022
Certification dateMarch 30, 2022
Mailing addressPo Box 864, Chouteau, OK 74337-0864

Other providers in Tahlequah