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Clinic Type

Urgent Care

Address

70 Cattail Drive Lewistown, MT 59457

Phone

//385-297-4198

Email

intermountainnews@imail.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Primary care
  • Family medicine
  • Senior primary care
  • Pediatrics

Team

  • Jason Edward Sarisky — DO
  • Penny M. Denning — PA

Insurance & Payment

—

Languages Spoken

—

Current Offers

New patient appointments in 1 week

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Intermountain Health, Healthgrades, and FamilyDoctorDirectories: Individual providers typically rated between 4.4 and 4.9 out of 5 stars based on various online platforms (Review counts vary by provider, ranging from a few to dozens per clinician)

Patients praise

  • Professional and knowledgeable staff
  • Providers are thorough and proactive
  • Providers listen well and explain conditions clearly
  • Compassionate and trustworthy care

Common complaints

  • Concerns regarding the provider being unfamiliar with the patient's background during appointments
  • Difficulties in scheduling appointments
  • Long wait times

"Love Penny. She is one of the best around, if she wasn’t I wouldn’t have followed her to Lewistown!"

— Patient review for Penny M. Denning, PA (April 2026)

"Thorough and proactive"

— Patient review for Dr. Christina Marchion, MD (Healthgrades)

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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