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

Gay J Canaris, MD

Individual provider Internal Medicine Physician · NPI 1851358147

Gay J Canaris, MD is an Internal Medicine in Billings, Montana. Graduated from Southwest School of Medicine and Hospital in 1987, 39 years ago. Practices with Billings Clinic, a 805-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Nebraska.

Years since qualifying
39
Trained at
Southwest School of Medicine and Hospital
Licensed in
NE
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

801 N 29th St
Billings, MT 59101
Phone: (406) 238-2500
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 988102 Nebraska Medical Ctr, Omaha, NE 68198-8102 — (402) 559-9800
  • 988102 Nebraska Medical Ctr, Omaha, NE 68198-8102 — (402) 559-9800

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 20200 (NE)

Record details

NPI number1851358147
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 28, 2006
Last updated in NPPESFebruary 22, 2022
Certification dateFebruary 22, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSOUTHWEST SCHOOL OF MEDICINE AND HOSPITAL
Graduated 1987 (39 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Billings