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

Dr. Brian A Brennan, MD

Individual provider Pediatrics Physician · NPI 1376536920

Dr. Brian A Brennan, MD is an Allergy/Immunology in Morris, Minnesota. Qualified in 1985, 41 years ago. Practices with Prairie Ridge Hospital and Health Services, a 86-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
41
Licensed in
SD
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

400 E 1st St
Morris, MN 56267-1408
Phone: (320) 589-1313
Fax: (320) 589-1065
Show map & directions

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

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 5795 (SD)
Pediatrics Physician Taxonomy 208000000X · Licence 5795 (SD)

Record details

NPI number1376536920
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 30, 2005
Last updated in NPPESNovember 1, 2018

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Prairie Ridge Hospital And Health Services — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare