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

Individual provider Anesthesiology Physician · NPI 1558338103

Dr. Gary Mermel, MD is an Anesthesiology Physician in Billings, Montana. Licensed in Montana. Registered with an NPI since 2006.

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

1233 N 30th St
Billings, MT 59101-0127
Phone: (406) 254-0707
Fax: (406) 254-0709
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 8741 (MT)

Record details

NPI number1558338103
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 2, 2006
Last updated in NPPESJuly 8, 2010

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