Live
Read more

About

Katherine Diemer, MD is associated with SSM Health’s Freeport, Illinois location. SSM Health is a Catholic, nonprofit health system serving the Midwest (IL, MO, OK, WI) with hospitals, primary and urgent care, and virtual/ambulatory services. The system emphasizes compassionate, patient-centered care and operates through hospitals, physician offices, home/hospice services, a transparent pharmacy benefit company, a health insurance subsidiary, and an accountable care organization. For Freeport-specific details (address, services, schedule), contact the Freeport site or SSM Health directly.

Clinic Type

Family Medicine

Address

1301 Kiwanis Drive, Freeport, IL 61032

Phone

815-235-1406

Email

community.benefits@ssmhealth.com

Opening Hours

7:30 am - 5:00 pm

Telehealth

Yes

Services Offered

  • Family Medicine
  • Family Medicine/Katherine Diemer

Team

  • Katherine Diemer, MD, MD — Physician

Insurance & Payment

Languages Spoken

FAQs

What are the hours for SSM Health Monroe Clinic Medical Group?

7:30 am - 5:00 pm

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Ratings.MD: 4.7 out of 5 (102)
  • SSM Health Official Site: 4.8 out of 5 (96)
  • WebMD Care: 2.5 out of 5 (3)
  • Healthgrades: 3.0 stars (2)

Patients praise

  • Takes time to listen to concerns
  • Easy to understand explanations
  • Caring, empathetic, and compassionate demeanor
  • Knowledgeable physician
  • Personable and professional

Common complaints

  • Limited number of low ratings on some aggregate sites

"Katherine is a caring and empathetic person. She takes the time to listen to me and explain things."

Ratings.MD

"Very knowledgeable physician. Kind caring and compassionate."

Ratings.MD/SSM Health

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.

More family medicine clinics in Freeport

Freeport, IL·Family Medicine

VerifiedOnline bookingEmergency care
Freeport, IL·Family Medicine

Mercyhealth, a nonprofit health system based in Rockford, Illinois, operates 85+ facilities across southern Wisconsin and northern Illinois, including Freeport, IL. It offers hospital, clinic, post-acute, and retail services, plus its own insurance company. Key recent updates include acquisitions of Freeport Health Network and FHN (effective 2026-01-01). Freeport, IL is one of its locations, with Mercyhealth hosting events such as an RN hiring event in Freeport. The system lists Freeport addresses and facilities in its Illinois/Wisconsin footprint, with its HQ at 8201 E Riverside Blvd, Rockford, IL.

VerifiedSince 1889

See all family medicine clinics in Freeport

Comparing your options?

See other family medicine clinics in Freeport, or search the full directory by insurance, ratings, and more.

More Family Medicine Clinics