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About

Essentia Health is a nonprofit health system headquartered in Duluth, MN. It operates as part of Marshfield Clinic Health System and serves communities in Minnesota, North Dakota, and Wisconsin. The organization runs multiple facilities, including locations in Duluth (HQ at 502 East 2nd St., Duluth, MN 55805) and other cities, and provides hospital and clinical services through its network of 8 offices in the United States. For details about a specific site like the Duluth Clinic, 2nd Street (Building C), this page confirms Essentia Health’s Duluth presence as part of its Duluth-based facilities but does not provide site-specific information about Building C. If you need exact details for Essentia Health-Duluth Clinic, 2nd Street (Building C), I can look up the latest contact, hours, or services for that building.

Clinic Type

Endocrinology

Address

502 E 2nd St

Phone

Call for holiday hours

Email

Purchasing@EssentiaHealth.org

Opening Hours

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

Services Offered

  • Diabetes & Endocrinology

Team

  • Shana Bertin, Diabetes & Endocrinology — PA⁠–⁠C
  • Lynne Kosmach, Diabetes & Endocrinology — APRN,CNP
  • Nahi Kiblawi, Diabetes & Endocrinology — MD
  • Brooke Johnson, Occupational Therapy (Outpatient) Diabetes & Endocrinology — PA⁠–⁠C
  • Emily Stunek, Diabetes & Endocrinology — APRN,CNP
  • Ann Fairbanks, Diabetes & Endocrinology — APRN,CNP
  • Jennifer Nelson, Diabetes & Endocrinology — APRN,CNP
  • Jackie Myers, Diabetes & Endocrinology — APRN,CNP
  • Rachel Lewandowski, Diabetes & Endocrinology — APRN,CNP
  • Madeline Nee, Diabetes & Endocrinology — PA⁠–⁠C

Insurance & Payment

Languages Spoken

FAQs

What are the clinic hours for Diabetes & Endocrinology - Essentia Health-Duluth Clinic 2nd Street (Building C)?

Monday - Friday: 8:00 AM - 5:00 PM. Call for holiday hours.

How can I make an appointment?

Make an appointment is available via the Make an Appointment option on Essentia Health’s site.

Where is the Diabetes & Endocrinology - Essentia Health-Duluth Clinic 2nd Street (Building C) located?

502 E 2nd St, Duluth, Minnesota 55805.

What services are offered at this clinic?

Diabetes & Endocrinology services are offered; see services section for details.

Who are the providers at this clinic?

Shana Bertin, PA–C; Lynne Kosmach, APRN,CNP; Nahi Kiblawi, MD; Brooke Johnson, PA–C; Emily Stunek, APRN,CNP; Ann Fairbanks, APRN,CNP; Jennifer Nelson, APRN,CNP; Jackie Myers, APRN,CNP; Rachel Lewandowski, APRN,CNP; Madeline Nee, PA–C.

Photos

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

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