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

Dr. Steven Jay Ayres, MD

Individual provider Gastroenterology Physician · NPI 1265488464

Dr. Steven Jay Ayres, MD is a Gastroenterology in Great Falls, Montana. Graduated from University of Minnesota Medical School in 1977, 49 years ago. Practices with Benefis Hospitals Inc, a 398-clinician group and accepts Medicare assignment. Licensed in Colorado and Montana.

Years since qualifying
49
Trained at
University of Minnesota Medical School
Licensed in
CO, MT
In the registry since
2006
Specialties on file
2
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

1401 25th St S
Great Falls, MT 59405-5183
Phone: (406) 731-8888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 8622 (MT)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 22979 (CO)

Record details

NPI number1265488464
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 26, 2006
Last updated in NPPESApril 5, 2024
Certification dateApril 5, 2024
Mailing address1401 25th St S, Great Falls, MT 59405-5183

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1977 (49 years in practice)
Group practice Benefis Hospitals Inc — 398 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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