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

Tanya Cook Letham, PA

Individual provider Physician Assistant · NPI 1467755710

Tanya Cook Letham, PA is a Physician Assistant in Chamberlain, South Dakota. Qualified in 2010, 16 years ago. Practices with Avera McKennan, a 962-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
16
Licensed in
SD
In the registry since
2010
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

300 S Byron Blvd
Chamberlain, SD 57325-9741
Phone: (605) 234-6551
Show map & directions

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

Additional practice locations (1)

  • 1035 S Highline Pl, Sioux Falls, SD 57110-1000 — (605) 322-2945

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 1346 (SD)

Record details

NPI number1467755710
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedDecember 8, 2010
Last updated in NPPESApril 26, 2022
Certification dateApril 26, 2022

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Chamberlain