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

Aaron Paul Baas, MD

Individual provider Family Medicine Physician · NPI 1114144375

Aaron Paul Baas, MD is a Family Practice in Mitchell, South Dakota. Graduated from Sanford School of Medicine of University of South Dakota in 2004, 22 years ago. Practices with Rural Health Care Inc, a 156-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
22
Trained at
Sanford School of Medicine of University of South Dakota
Licensed in
SD
In the registry since
2007
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

1900 Grassland Dr
Mitchell, SD 57301-6335
Phone: (605) 995-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1900 Grassland Dr, Mitchell, SD 57301-6335 — (605) 995-7000

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 7829 (SD)

Record details

NPI number1114144375
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2007
Last updated in NPPESAugust 3, 2022
Certification dateAugust 2, 2022
Mailing address1900 Grassland Dr, Mitchell, SD 57301-6335

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolSANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
Graduated 2004 (22 years in practice)
Group practice Rural Health Care Inc — 156 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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