Bruce Allen Bollen, M.D. – Anesthesiology Physician

Key facts

NPI: 1104815216
Entity type: Individual (NPI type 1)
Primary specialty: Anesthesiology Physician 207L00000X
License: 7483 (MT)
Practice address: 3550 Mullan Rd
Suite 103
Missoula, MT 59808-5168
Phone: (406) 728-8420
NPI assigned: Oct 20, 2005
Sex: Male
Sole proprietor: No

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Ma Critical Care Services, PC Critical Care Medicine (Anesthesiology) Physician · Missoula, MT · NPI 1114221983

NPD (past)

Medicare participation

Medicare fee-for-service enrollment: Not listed in the public Medicare enrollment file

National Provider Directory

Medicare enrollment (NPD): Yes
Credentials: Doctor of Medicine

State licenses

License	State	Type	Specialty
7483	MT	MD	Anesthesiology Physician

Practice roles

Organization	Specialty	Status	New patients
Ma Critical Care Services, PC		Past	Accepting new patients

Specialties & licenses

Specialty (taxonomy)	Code	License	State	Primary
Anesthesiology Physician	207L00000X	7483	MT	Yes

Addresses

Primary practice location

3550 Mullan Rd
Suite 103
Missoula, MT 59808-5168

Mailing address

PO Box 17527
Missoula, MT 59808-7527
Phone (406) 728-8420

Other identifiers

Identifier	Type	State	Issuer
0103519	Medicaid	MT

Other providers in Missoula, MT

All providers in Missoula, MT · Anesthesiology Physician in Montana

Sources for this page

NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jul 13, 2026. Information in NPPES is self-reported and not verified by CMS.
NUCC Health Care Provider Taxonomy: specialty names.
National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.