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

Roger Joseph Diegel, MD

Individual provider Rheumatology Physician · NPI 1770660896

Roger Joseph Diegel, MD is an Internal Medicine in Kalispell, Montana. Graduated from Wayne State University School of Medicine in 1993, 33 years ago. Practices with Kalispell Regional Medical Center Inc, a 418-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
33
Trained at
Wayne State University School of Medicine
Licensed in
MT
In the registry since
2006
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

150 Commons Way
Kalispell, MT 59901
Phone: (406) 752-2010
Fax: (406) 752-2047
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 10616 (MT)

Record details

NPI number1770660896
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESNovember 27, 2023
Certification dateJune 26, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesRHEUMATOLOGY
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Kalispell Regional Medical Center Inc — 418 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Kalispell