Aaron Paul Baas, MD
Family Medicine Physician · Mitchell, SD
Aaron Paul Baas, MD is a family medicine physician with a practice address in Mitchell, South Dakota, and NPI 1114144375, issued on Apr 19, 2007. Check the license (South Dakota 7829, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Aaron Paul Baas
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 7829 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1900 Grassland Dr, Mitchell, SD 57301
- Phone
- (605) 995-7000
- Enumerated
- Apr 19, 2007
- Record last updated
- Aug 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20100923000452); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2004
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 601 in South Dakota → Look up another NPI →
Also registered at 1900 Grassland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Axsom, NP-CFamily Nurse Practitioner1417495649
- Dalton Baird, MDObstetrics & Gynecology Physician1295363463
- Kelsey Bender, PHYSICIAN ASSISTANTPhysician Assistant1356070577
- Lacey Bonte, DNPFamily Nurse Practitioner1780055780
- Kassidy Boyd, M.D.Internal Medicine Physician1629501077
- Angela BroughtonFamily Nurse Practitioner1154896801
Verify Aaron Paul Baas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 7829Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average family medicine physician in 2024
4,763 Medicare Part D claims for 250 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 133 claims were for opioids.
Most prescribed
- Lisinopril235 claims
- Metoprolol Succinate194 claims
- Furosemide189 claims
- Amlodipine Besylate176 claims
- Rosuvastatin Calcium175 claims
- Atorvastatin Calcium153 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Rural Health Care IncMitchell, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Paul Baas among 601 family medicine physician records in South Dakota
Aaron Paul Baas, MD is one of 601 family medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2004 · median 2008 among the 393 with a school on file
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family medicine physician records list a practice address in Mitchell
They are 11 of the 359 NPPES records with a practice address in Mitchell, and 601 family medicine physician records in South Dakota.
All 601 in South Dakota → Every provider in Mitchell → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Theresa Campbell, MDMitchell, SD 573011073583621
- Martin Christensen, MDMitchell, SD 573011780658666
- Mark Doohen, M.D.Mitchell, SD 573011215927355
- Charissa EtrheimMitchell, SD 573011578192423
- Michael Gerlach, MDMitchell, SD 573011962476093
- Clara Hemann, CNPMitchell, SD 573011891615472
- Douglas Holum, MDMitchell, SD 573011669446787
- Trevor MeaneyMitchell, SD 573011982674537
Common questions
What is Aaron Paul Baas, MD's NPI number?
Aaron Paul Baas, MD's National Provider Identifier (NPI) is 1114144375, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Paul Baas, MD located?
The NPPES record lists a practice address at 1900 Grassland Dr, Mitchell, SD, 57301. Phone: (605) 995-7000. Providers update this record themselves, so call before visiting.
How can I verify Aaron Paul Baas, MD's license?
NPPES lists South Dakota license number 7829, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron Paul Baas, MD prescribe under Medicare Part D?
In 2024, Aaron Paul Baas, MD had 4,763 Medicare Part D claims for 250 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.