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About

Summary: - MountainStar Medical Group is a Sandy, Utah-based hospitals and health care network with over 30 locations, 125+ physicians and specialists, and options to schedule visits online. - Services include comprehensive primary care, urgent care, and specialty care (pediatrics, geriatrics, women's health; OB/GYN, general surgery, urology, cardiovascular and thoracic surgery, maternal-fetal medicine, gynecologic-oncology). - Key contact: (801) 743-4750. Website: mountainstarmedicalgroup.com. - Administrative details: Public company with 28 employees; affiliated with a broad network including Intermountain Health partners; strong U.S. presence (primarily United States). - Notable stats: 12,437 monthly visits, 0.6% bounce rate, 2.3 pages/visit; global rank ~1.74 million. If you’re specifically looking for St. Mark's Taylorsville Clinic details within MountainStar, this page confirms MountainStar’s broader network and Taylorsville as part of their system but does not provide clinic-specific hours or address for St. Mark’s Taylorsville location. For precise clinic hours, address, and appointment availability, please visit the MountainStar site’s locations section or contact the number above.

Clinic Type

Endocrinology

Address

St. Marks Taylorsville Clinic, Taylorsville, Utah

Phone

Call Us: (801) 996-9761

Email

privacy@hcahealthcare.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Primary care
  • Family medicine
  • Endocrinology

Technology & Equipment

  • Patient portal
  • Online payment platform
  • Secure messaging (portal)

Insurance & Payment

—

Online payment platform, Pay online, Pay balances individually or split payments

Languages Spoken

—

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Healthline FindCare (for Dr. Matthew Chuck Jarvis): 5.0 out of 5 stars (1 rating)
  • Healthgrades (for Steven Barker, PA-C): 5.0 out of 5 stars (1 rating)
  • U.S. News & World Report (for Steven Barker, PA-C): 5 out of 5 stars (18 reviews)

Patients praise

  • Individual provider performance is highly rated by patients
  • Professional care from nurse practitioners and physician assistants

Common complaints

  • High billing/cost concerns related to emergency services at the broader St. Mark's system
  • Communication issues regarding diagnosis and patient care instructions

"My issue with them is the billing. Not only did they charge me for things they didn't do... but they came up with a whopping charge of $9,403!!"

— PissedConsumer (regarding emergency center experiences)

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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