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

Grace L Nimmons, MD

Individual provider Otolaryngology Physician · NPI 1225235625

Grace L Nimmons, MD is an Otolaryngology in Iowa City, Iowa. Graduated from Columbia University College of Physicians and Surgeons in 2007, 19 years ago. Practices with Park Nicollet Clinic, a 1,773-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa and Minnesota.

Years since qualifying
19
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
IA, MN
In the registry since
2007
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

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone: (319) 356-3574
Fax: (319) 356-4547
Show map & directions

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

Additional practice locations (1)

  • 400 E 3rd St, Duluth, MN 55805-1951 — (218) 786-8364

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 40131 (IA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 56661 (MN)

Record details

NPI number1225235625
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESJune 27, 2025
Certification dateJune 27, 2025

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2007 (19 years in practice)
Group practice Park Nicollet Clinic — 1773 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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