Lewistown Clinic - Family Medicine - Intermountain Health

Internal Medicine • Lewistown, MT

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About

It offers family medicine for all ages, including behavioral health, chronic pain management, immunizations, routine exams, referrals, and virtual care. Primary contact numbers are 435-940-9400 and 435-940-9405. Notably, the page does not mention any Lewistown, Montana location or Lewistown Clinic.

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Clinic Type

Internal Medicine

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.

Website

https://intermountainhealthcare.org/locations/lewistown-clinic-family-medicine

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

Social Media

Tiktok Twitter Youtube Facebook Linkedin Instagram

Photos

What Patients Say

Overall sentiment across review platforms: positive

Intermountain Health Official Provider Pages: 4.7 out of 5 (~23-26 reviews)
Intermountain Health Official Provider Pages: 4.4-4.5 out of 5 (~9 reviews)

Patients praise

Providers are frequently described as knowledgeable, caring, and professional
Good communication, active listening, and ease of scheduling appointments
Patients feel like partners in their healthcare and appreciate having options explained

Common complaints

Some patients felt dismissed or that concerns were not adequately addressed during visits
Occasional perception that providers needed time to review patient background during appointments
Concerns regarding thoroughness of physical examinations in certain instances

"Caring, exceptionally knowledgeable! And kind & efficient!!!"

— Patient review for Dr. Jason Sarisky

"He did not take any time to examine my symptoms, made a snap decision, and dismissed me."

— Patient review for Dr. Jason Sarisky

"Penny is great to communicate with. She takes the time to explain and answer questions."

— Patient review for Penny M. Denning, PA

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

In the News

Intermountain Health is closing Lewistown clinic — May 21, 2026
Lewistown clinic to close as Intermountain cuts 41 Montana roles | State | fairfieldsuntimes.com — May 21, 2026
Intermountain Health closing Lewistown clinic, cutting jobs in Billings, Bozeman — May 21, 2026
Intermountain Health to cut services in Montana, others could face same financial strain | Local News | belgrade-news.com — May 31, 2026
Lewistown clinic to close as Intermountain cuts 41 Montana roles | Bozeman News | montanarightnow.com — May 21, 2026

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.