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

Grant S Hamilton III, MD

Individual provider Otolaryngology Physician · NPI 1841273281

Grant S Hamilton III, MD is an Otolaryngology in Rochester, Minnesota. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1999, 27 years ago. Practices with Mayo Clinic, a 4,796-clinician group and accepts Medicare assignment. Licensed in Iowa and Minnesota.

Years since qualifying
27
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IA, MN
In the registry since
2005
Specialties on file
5
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

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
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 54124 (MN)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 105393 (MN)
Facial Plastic Surgery Physician Taxonomy 207YS0123X · Licence 36295 (IA)
Plastic Surgery within the Head & Neck (Otolaryngology) Physician Taxonomy 207YX0007X · Licence 36295 (IA)
Otolaryngology/Facial Plastic Surgery Physician Taxonomy 207YX0905X · Licence 36295 (IA)

Record details

NPI number1841273281
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESAugust 14, 2020
Certification dateAugust 14, 2020

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1999 (27 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Rochester