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About

Essentia Health is a nonprofit health care system based in Duluth, Minnesota, serving communities across Minnesota, North Dakota, and Wisconsin. With over 15,000 employees and more than 2,200 physicians and advanced practitioners, the network includes 14 hospitals, 78 clinics, six long-term care facilities, six assisted/independent living facilities, ambulance services, retail pharmacies, and a research institute. The organization emphasizes values of Quality, Hospitality, Respect, Joy, Justice, Stewardship, and Teamwork, and operates under Marshfield Clinic Health System. They offer a range of positions and services, including ENT (Ear, Nose & Throat) care at Duluth locations. Primary contact: HQ at 502 East 2nd St., Duluth, MN 55805. Phone: 218-786-8376 or 855-469-6532.

Clinic Type

Ear, Nose & Throat

Address

400 E 3rd St, Duluth, Minnesota 55805

Phone

218-786-3233

Email

Purchasing@EssentiaHealth.org

Opening Hours

Monday - Friday: 8:00 AM - 5:00 PM

Services Offered

  • Ear, Nose & Throat
  • Ear, Nose & Throat Surgery

Team

  • Gretchen Kehoe, PA-C — PA
  • Kimberly Lakhan, PA-C — PA
  • Sarah Johnson, PA-C — PA
  • Robert Gruhl, MD — MD
  • Tanner Schmitz, PA-C — PA
  • Heidi L'Esperance, MD — MD
  • Rolando Rosas, MD — MD
  • Timothy King, MD — MD

Insurance & Payment

Languages Spoken

FAQs

What services are offered at this location?

Ear, Nose & Throat; See all services offered at this location.

Make an Appointment

- The page mentions making an appointment; use the site’s appointment tools: https://www.essentiahealth.org/patients-visitors/make-an-appointment

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Essentia Health-Duluth Clinic 3rd Street (Building F) - provider Robert Gruhl, MD: 4.6 out of 5
  • Essentia Health-Duluth Clinic 3rd Street (Building F) - provider Heidi L'Esperance, MD: 4.8 out of 5
  • Healthgrades - provider Gretchen Kehoe, PA-C: 4.4 out of 5 (16 reviews)
  • Healthgrades - provider Tanner Schmitz, PA-C: 4.6 out of 5 (16 reviews)

Patients praise

  • Many reviewers/patients describe good listening, clear explanations, and respectful/thoughtful care (e.g., Kehoe and Schmitz reviews)
  • Some reviewers report helpful thorough exams and time taken to address questions
  • Overall high star ratings for several ENT providers at the Essentia Health-Duluth Clinic 3rd Street (Building F)

Common complaints

  • Some reviewers felt providers didn’t listen to concerns or didn’t answer questions directly (Kehoe review summaries)
  • Some negative experiences describe rushed/limited explanation or feeling “blown off”
  • At least one review reports concerns about not examining the throat/neck appropriately or leading to an alternate ENT appointment elsewhere

"“He was very informative. We talked about all my concerns. He explained my exam thoroughly.”"

Healthgrades review text for Tanner Schmitz, PA-C

"“In her strong effort to complete the examination she didn't take the time to listen to my concerns.”"

Healthgrades review text for Gretchen Kehoe, PA-C

"“He never introduced himself. Poor bedside manner. I did not trust this person to do the procedure.”"

Healthgrades review text for Robert Gruhl, MD

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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