Steven Jay Ayres, M.D.
Gastroenterology Physician · Great Falls, MT
Steven Jay Ayres, M.D. is a gastroenterology physician with a practice address in Great Falls, Montana, and NPI 1265488464, issued on May 26, 2006. Check the license (Montana 8622, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Steven Jay Ayres
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 8622 MT
22979 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1401 25TH St S, Great Falls, MT 59405
- Phone
- (406) 731-8888
- Enumerated
- May 26, 2006
- Record last updated
- Apr 5, 2024
- Medicaid IDs
- 01229798 CO
10025384500 NE - Medicare enrollment
- Enrolled (PECOS I20100503000556); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1977
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 44 in Montana → Look up another NPI →
Also registered at 1401 25TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Addison, MDGeriatric Medicine (Internal Medicine) Physician1871594754
- Sheela Ahmed, MDPulmonary Disease Physician1083736227
- Jill Aitken, AUDAudiologist1730386020
- Jamie Aleba, PAMedical Physician Assistant1184929572
- Thomas Attaway, MDGastroenterology Physician1922012442
- Lily AvgustovskiyNurse Practitioner1093122335
Verify Steven Jay Ayres in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 8622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average gastroenterology physician in 2024
712 Medicare Part D claims for 143 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium221 claims
- Omeprazole51 claims
- Metoclopramide Hcl32 claims
- Budesonide Dr26 claims
- Xifaxan26 claims
- Colestipol Hcl24 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 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.
Steven Jay Ayres among 44 gastroenterology physician records in Montana
Steven Jay Ayres, M.D. is one of 44 gastroenterology physician records with a practice address in Montana. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 23% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1977 · median 1995 among the 30 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Montana
There are 44 gastroenterology physician records in Montana.
All 44 in Montana → Every provider in Great Falls → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Thomas Attaway, MDGreat Falls, MT 594051922012442
- Craig Brayko, MDGreat Falls, MT 594051477665305
- Gerald Spencer, MDGreat Falls, MT 594051609965946
- Kenneth Eden, MDHelena, MT 596011598863904
- John Bohler, M.D.Helena, MT 596021871543280
- Michael Lee, M.D.Helena, MT 596021285619734
- Stephen Baum, MDBillings, MT 591011083650485
- Michael Fischer, MDBillings, MT 591011710098579
Common questions
What is Steven Jay Ayres, M.D.'s NPI number?
Steven Jay Ayres, M.D.'s National Provider Identifier (NPI) is 1265488464, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Jay Ayres, M.D. located?
The NPPES record lists a practice address at 1401 25TH St S, Great Falls, MT, 59405. Phone: (406) 731-8888. Providers update this record themselves, so call before visiting.
How can I verify Steven Jay Ayres, M.D.'s license?
NPPES lists Montana license number 8622, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Jay Ayres, M.D. prescribe under Medicare Part D?
In 2024, Steven Jay Ayres, M.D. had 712 Medicare Part D claims for 143 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Steven Jay Ayres, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.