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

Dr. Robert Richard Gruhl, MD

Individual provider Otolaryngology Physician · NPI 1962909549

Dr. Robert Richard Gruhl, MD is an Otolaryngology in Duluth, Minnesota. Graduated from University of Minnesota Medical School in 2018, 8 years ago. Practices with Polinsky Medical Rehabilitation Center, a 380-clinician group and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
8
Trained at
University of Minnesota Medical School
Licensed in
MN, WI
In the registry since
2018
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

400 E 3rd St
Duluth, MN 55805-1951
Phone: (218) 786-3233
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 74249 (MN)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 82388-20 (WI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1962909549
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 10, 2018
Last updated in NPPESAugust 15, 2023
Certification dateAugust 14, 2023

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2018 (8 years in practice)
Group practice Polinsky Medical Rehabilitation Center — 380 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Duluth