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About

Sheboygan Internal Medicine (Sheboygan Internal Medicine Associates LLC) is a small adult primary care practice based in Sheboygan, Wisconsin. It offers comprehensive routine care for adults, offsite healthcare services, and on-site laboratory services, supported by a team of physicians, nurse practitioners, and staff. The practice operates three offices in the United States, with a main location at 2920 Superior Ave, Sheboygan, WI 53081. Key details: - Industry: Healthcare / Consumer Services - Services: Routine adult care, offsite healthcare, laboratory services - Contact: 800-236-6366 or 920-452-6000 - Workforce: 4 employees (growth noted) - Online presence: simasc.com - Location relevance: Superior Ave address in Sheboygan; primary focus on Sheboygan Internal Medicine in Sheboygan, WI - Accessibility: Small practice footprint with limited staff; low web traffic but steady local presence If you’re specifically looking for “Sheboygan Internal Medicine Superior,” the primary location to consider is 2920 Superior Ave, Sheboygan, WI 53081.

Clinic Type

Internal Medicine

Address

2920 Superior Ave, Sheboygan, Wisconsin 53081-1944, US

Phone

920-452-6000

Email

Opening Hours

Appointments for blood draws are scheduled Monday through Friday 7:00 a.m. to 5:00 p.m.

Emergency Care

Urgent care available

Services Offered

  • Primary care
  • urgent care
  • onsite diagnostic services
  • occupational healthcare screenings
  • blood draws
  • wellness and preventive care
  • diabetes management
  • heart conditions management
  • hypertension management
  • circulation issues
  • asthma
  • allergies
  • long-term wellness
  • adult health care

Technology & Equipment

  • MyChart online health record
  • online appointment requests
  • lab testing
  • urgent care capabilities

Team

  • Dr. Nicholas C. Barnes, UI not provided in text — Physician
  • Dr. Matthew R. Hemsing, UI not provided in text — Physician
  • Dr. Michael D. Johnson, UI not provided in text — Physician
  • Dr. Vytas K. Kerpe, UI not provided in text — Physician
  • Dr. Elizabeth L. Zurich, UI not provided in text — Physician

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Facebook: 88% recommend (7 reviews)
  • BestProsInTown: 4.8/5 (Google (aggregate))
  • BestProsInTown: 4.4/5 (Facebook (aggregate))

Patients praise

  • Compassionate and thorough care
  • Physicians who listen to patients
  • Highly recommended by patients

Common complaints

  • Potential for mixed patient experiences, though specific complaints are limited in public aggregate data

"He is very understanding and will talk through issues you are having. He will take your input to help you, where a lot of doctors will just tell you what you ate going to do. He actually listens!"

Vitals (Review of Dr. Charles F. Schleevogt)

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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