Robert Aaron Yost, M.D.

Diagnostic Radiology Physician · Waconia, MN

Robert Aaron Yost, M.D. is a diagnostic radiology physician with a practice address in Waconia, Minnesota, and NPI 1194849166, issued on Mar 16, 2007. Check the license (Minnesota 48550, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026

1194849166

Name: Robert Aaron Yost
Credential: M.D.
Primary taxonomy: Diagnostic Radiology Physician 2085R0202X
License number: 48550 MN
Self-reported in NPPES; status is on the state search
Practice location: 500 S Maple St, Waconia, MN 55387
Phone: (952) 777-5553
Enumerated: Mar 16, 2007
Record last updated: May 9, 2024
Medicaid IDs: 772638000 MN
34786800 WI
ENROLLED MN
Medicare enrollment: Enrolled (PECOS I20070710000788); accepts Medicare assignment
Medical or professional school: Wayne State University School Of Medicine, 2003
Entity: Type 1 · individual

Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.

Download card Updates feed

8 nearest diagnostic radiology physician records → All 1,700 in Minnesota → Look up another NPI →

Also registered at 500 S Maple St

A shared address usually means a shared clinic or building; it does not show who employs whom.

Karen Anderson, MDEmergency Medicine Physician1497982144
Cortland Arlien, CRNACertified Registered Nurse Anesthetist1336212430
Jessica Baitani, MDInternal Medicine Physician1285800466
Erin Bischoff, PACPhysician Assistant1366642563
Jule Block, MDAnesthesiology Physician1104809045
Cynthia Brick, CRNACertified Registered Nurse Anesthetist1043381114

Verify Robert Aaron Yost in five checks

1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 48550Check the board
3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
5CertificationBoard certificationABMS AOA NCCPA AANPNot checked

Open the Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

One hospital affiliation

Ridgeview Medical CenterChaska, MN · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Robert Aaron Yost among 1,700 diagnostic radiology physician records in Minnesota

Robert Aaron Yost, M.D. is one of 1,700 diagnostic radiology physician records with a practice address in Minnesota. 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 52% of them.

NPI issued2007 · 52% of these records are older, 39% newer
In a Medicare fileYes · 79% of these records are
In the CMS Doctors and Clinicians fileYes · 78% of these records are
Graduated2003 · median 2003 among the 1,324 with a school on file
Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Minnesota

There are 1,700 diagnostic radiology physician records in Minnesota.

All 1,700 in Minnesota → Every provider in Waconia → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

Mark Doyscher, M.D.Waconia, MN 553871538184569
Andrew Miller, MDWaconia, MN 553871083022198
Deborah Day, M.D.Minneapolis, MN 554031619920782
Nazih Farah, MDMinneapolis, MN 554031508816315
Frederick Gramith, M.D.Minneapolis, MN 554031245283274
Steven Jensen, MDMinneapolis, MN 554031134172976
Timothy Koelz, M.D.Minneapolis, MN 554031427001635
June Krivach, M.D.Minneapolis, MN 554031487607313

Common questions

What is Robert Aaron Yost, M.D.'s NPI number?

Robert Aaron Yost, M.D.'s National Provider Identifier (NPI) is 1194849166, issued on Mar 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert Aaron Yost, M.D. located?

The NPPES record lists a practice address at 500 S Maple St, Waconia, MN, 55387. Phone: (952) 777-5553. Providers update this record themselves, so call before visiting.

How can I verify Robert Aaron Yost, M.D.'s license?

NPPES lists Minnesota license number 48550, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.