Aaron Feist, M.D.
Emergency Medicine Physician · Saint Paul, MN
Aaron Feist, M.D. is an emergency medicine physician with a practice address in Saint Paul, Minnesota, and NPI 1174793426, issued on Mar 3, 2008. Check the license (Minnesota 20445, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Aaron Feist
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 20445 MN
Self-reported in NPPES; status is on the state search - Practice location
- 640 Jackson St, Saint Paul, MN 55101
- Phone
- (651) 254-5091
- Enumerated
- Mar 3, 2008
- Record last updated
- Mar 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101102001241); accepts Medicare assignment
- Medical or professional school
- University Of North Dakota School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,348 in Minnesota → Look up another NPI →
Also registered at 640 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tanya Adelman, PA-CPhysician Assistant1922235365
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- Ryan Ahlgren, NPPhysician Assistant1922776129
Verify Aaron Feist in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 20445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average emergency medicine physician in 2024
118 Medicare Part D claims for 81 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen17 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
- Clark Fork Emergency Physicians PLLCMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Feist among 1,348 emergency medicine physician records in Minnesota
Aaron Feist, M.D. is one of 1,348 emergency medicine physician records with a practice address in Minnesota. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 43% of them.
- NPI issued2008 · 43% of these records are older, 51% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2007 · median 2012 among the 818 with a school on file
- Record last updated2010 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
127 emergency medicine physician records list a practice address in Saint Paul
They are 127 of the 10,084 NPPES records with a practice address in Saint Paul, and 1,348 emergency medicine physician records in Minnesota.
All 1,348 in Minnesota → Every provider in Saint Paul → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Felix Ankel, MDSt Paul, MN 551011013982669
- Mary Carr, MDSaint Paul, MN 551011992772057
- Won Chung, MDSaint Paul, MN 551011962477513
- Ralph Frascone, MDSt Paul, MN 551011033186101
- Bradley Gordon, MDSaint Paul, MN 551011477528024
- Paul Haller, MDSt Paul, MN 551011487622890
- Cullen Hegarty, MDSt Paul, MN 551011437126596
- Keith Henry, MDSt Paul, MN 551011417922089
Common questions
What is Aaron Feist, M.D.'s NPI number?
Aaron Feist, M.D.'s National Provider Identifier (NPI) is 1174793426, issued on Mar 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Feist, M.D. located?
The NPPES record lists a practice address at 640 Jackson St, Saint Paul, MN, 55101. Phone: (651) 254-5091. Providers update this record themselves, so call before visiting.
How can I verify Aaron Feist, M.D.'s license?
NPPES lists Minnesota license number 20445, 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.
How much does Aaron Feist, M.D. prescribe under Medicare Part D?
In 2024, Aaron Feist, M.D. had 118 Medicare Part D claims for 81 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.