Mountainstar Medical Group-St. Marks Hospital, LLC
NPI 1073795258 · Family Medicine Physician · Salt Lake City, UT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mountainstar Medical Group-St. Marks Hospital, LLC is a Family Medicine Physician organization in Salt Lake City, UT (NPI 1073795258).
Provider details
- NPI number
- 1073795258
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Louis Joseph, Vp(615) 373-7630
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Former legal business name
- St. Mark'S Millcreek Primary Care
- Former legal business name
- St. Mark'S Millcreek Primary Care
Registry dates
- Enumerated
- 2007-11-29
- Last updated
- 2023-01-02
- Certified
- 2023-01-02
Frequently asked questions
- What is Mountainstar Medical Group-St. Marks Hospital, LLC's NPI number?
- Mountainstar Medical Group-St. Marks Hospital, LLC's National Provider Identifier (NPI) is 1073795258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mountainstar Medical Group-St. Marks Hospital, LLC?
- Mountainstar Medical Group-St. Marks Hospital, LLC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mountainstar Medical Group-St. Marks Hospital, LLC located?
- Mountainstar Medical Group-St. Marks Hospital, LLC's practice location on file with NPPES is 348 E 4500 S Ste 300, Salt Lake City, UT 84107-8535.
- What is Mountainstar Medical Group-St. Marks Hospital, LLC's phone number?
- The practice phone number listed in the NPPES registry for Mountainstar Medical Group-St. Marks Hospital, LLC is (801) 266-2777.
- Does Mountainstar Medical Group-St. Marks Hospital, LLC accept Medicare?
- Mountainstar Medical Group-St. Marks Hospital, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mountainstar Medical Group-St. Marks Hospital, LLC?
- The authorized official listed on Mountainstar Medical Group-St. Marks Hospital, LLC's NPPES record is Louis Joseph, Vp. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mountainstar Medical Group-St. Marks Hospital, LLC's NPI active?
- Yes — Mountainstar Medical Group-St. Marks Hospital, LLC's NPI (1073795258) is active in the NPPES registry as of the last update on 2023-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.