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

Dennis W Maier, MD

Individual provider Specialist · NPI 1497787725

Dennis W Maier, MD is a General Surgery in Billings, Montana. Graduated from Indiana University School of Medicine in 1985, 41 years ago. Practices with Scl Health Medical Group - Billings LLC, a 292-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
41
Trained at
Indiana University School of Medicine
Licensed in
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

2900 12th Ave N Ste 320W
Billings, MT 59101-7506
Phone: (406) 238-6470
Fax: (406) 238-6499
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 7333 (MT)
Specialist Taxonomy 174400000X · Licence 7333 (MT)

Record details

NPI number1497787725
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESAugust 13, 2014
Mailing address2900 12th Ave N, Suite 320w, Billings, MT 59101-7506

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Scl Health Medical Group - Billings Llc — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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