MOUNTAINSTAR MEDICAL GROUP-ST. MARKS HOSPITAL, LLC
NPI 1073795258
Family Medicine in Salt Lake City, UT

Active since November 29, 2007
348 E 4500 S STE 300, SALT LAKE CITY, UT 84107(801) 266-2777 Get Directions Write a Review

NPPES record last updated: January 2, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 2, 2023, Oct 28, 2020 (2 updates tracked since 2020).

About Mountainstar Medical Group-st. Marks Hospital, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MOUNTAINSTAR MEDICAL GROUP-ST. MARKS HOSPITAL, LLC (NPI 1073795258), doing business as St. Mark's Millcreek Primary Care, is a healthcare organization registered as a family medicine in Salt Lake City, Utah and active in the NPI registry since November 2007. The organization lists Louis Joseph, Vp, as its authorized official.

NPPES Registry Identity

NPI1073795258
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameMOUNTAINSTAR MEDICAL GROUP-ST. MARKS HOSPITAL, LLC
Location Address348 E 4500 S STE 300Salt Lake City, UT 84107-8535
Mailing Address2000 Health Park DrBrentwood, TN 37027-4525 · (615) 373-7600 · Fax (866) 346-1426
Organization SubpartNo
Authorized OfficialLouis JosephVp · (615) 373-7630
Enumeration DateNovember 29, 2007
Last NPPES UpdateJanuary 2, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 2, 2023
✔ NPI 1073795258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
348 E 4500 S STE 300, Salt Lake City, UT 84107

Other Names 1

Former Legal Business NameSt. Mark's Millcreek Primary Care

Other Identifiers 1

Medicaid1073795258UT

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mountainstar Medical Group-st. Marks Hospital, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

13

Medicare enrollment records show 13 clinicians reassign Medicare billing to Mountainstar Medical Group-St. Marks Hospital, LLC, which bills Medicare for the services they deliver. Of these, 13 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Nurse Practitioner6
Family Practice4
Internal Medicine2
Orthopedic Surgery1

Clinicians, nearest first (13)

Orthopedic Surgery
NPI 1730222720
1250 E 3900 S SUITE 440
Salt Lake City, UT 84124
(801) 261-2232
✔ PECOS✔ Accepts Medicare2.6 mi
Nurse Practitioner
NPI 1942462825
2965 W 3500 S
West Valley City, UT 84119
(801) 965-3600
✔ PECOS✔ Accepts Medicare2.7 mi
Nurse Practitioner
NPI 1487200853
5360 S 2700 W
Taylorsville, UT 84129
(801) 996-9761
✔ PECOS✔ Accepts Medicare4.1 mi
Family Practice
NPI 1043741929
5360 S 2700 W
Taylorsville, UT 84129
(801) 996-9761
✔ PECOS✔ Accepts Medicare4.1 mi
Family Practice
NPI 1508801606
8846 S REDWOOD RD STE E121
West Jordan, UT 84088
(801) 569-1999
✔ PECOS✔ Accepts Medicare6.5 mi
Nurse Practitioner
NPI 1366488348
8846 S REDWOOD RD STE E121
West Jordan, UT 84088
(801) 569-1999
✔ PECOS✔ Accepts Medicare6.5 mi
Family Practice
NPI 1952538605
8846 S REDWOOD RD STE E121
West Jordan, UT 84088
(801) 569-1999
✔ PECOS✔ Accepts Medicare6.5 mi
Nurse Practitioner
NPI 1851140149
8846 S REDWOOD RD STE E121
West Jordan, UT 84088
(801) 569-1999
✔ PECOS✔ Accepts Medicare6.5 mi
Internal Medicine
NPI 1912922923
74 E KIMBALLS LN STE 300
Draper, UT 84020
(801) 572-0311
✔ PECOS✔ Accepts Medicare9.5 mi
Internal Medicine
NPI 1013012418
74 E KIMBALLS LN STE 300
Draper, UT 84020
(801) 572-0311
✔ PECOS✔ Accepts Medicare9.5 mi
Nurse Practitioner
NPI 1699592600
74 E KIMBALLS LN STE 300
Draper, UT 84020
(801) 572-0311
✔ PECOS✔ Accepts Medicare9.5 mi
Family Practice
NPI 1114301710
74 E KIMBALLS LN STE 300
Draper, UT 84020
(801) 572-0311
✔ PECOS✔ Accepts Medicare9.5 mi
Nurse Practitioner
NPI 1124607940
74 E KIMBALLS LN STE 300
Draper, UT 84020
(801) 572-0311
✔ PECOS✔ Accepts Medicare9.5 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mountainstar Medical Group-St. Marks Hospital, LLC's NPI number?

The NPI number for Mountainstar Medical Group-St. Marks Hospital, LLC is 1073795258. It was assigned to this organization in the NPPES registry on November 29, 2007. The provider was formerly known as St. Mark's Millcreek Primary Care.

Where is Mountainstar Medical Group-St. Marks Hospital, LLC located?

Mountainstar Medical Group-St. Marks Hospital, LLC is located at 348 E 4500 S Ste 300, Salt Lake City, UT 84107. The listed phone number is (801) 266-2777.

What is Mountainstar Medical Group-St. Marks Hospital, LLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mountainstar Medical Group-St. Marks Hospital, LLC enrolled in Medicare?

Yes. Mountainstar Medical Group-St. Marks Hospital, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mountainstar Medical Group-St. Marks Hospital, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 13 clinicians in 4 Medicare specialties reassign their Medicare billing to Mountainstar Medical Group-St. Marks Hospital, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (6), Family Practice (4) and Internal Medicine (2). Of these, 13 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mountainstar Medical Group-St. Marks Hospital, LLC accept?

Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah and University of Utah Health Plans list Mountainstar Medical Group-St. Marks Hospital, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mountainstar Medical Group-St. Marks Hospital, LLC was last updated on January 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.