Mountainstar Medical Group Neurosurgery - St Marks LLC
NPI 1578859831 · Neurological Surgery 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 Neurosurgery - St Marks LLC is a Neurological Surgery Physician organization in Salt Lake City, UT (NPI 1578859831).
Provider details
- NPI number
- 1578859831
- Entity type
- Organization
- Primary specialty
- Neurological Surgery 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
15 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
Registry dates
- Enumerated
- 2011-06-24
- Last updated
- 2023-08-29
- Certified
- 2023-08-29
Frequently asked questions
- What is Mountainstar Medical Group Neurosurgery - St Marks LLC's NPI number?
- Mountainstar Medical Group Neurosurgery - St Marks LLC's National Provider Identifier (NPI) is 1578859831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mountainstar Medical Group Neurosurgery - St Marks LLC?
- Mountainstar Medical Group Neurosurgery - St Marks LLC is classified in the NPPES registry as Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mountainstar Medical Group Neurosurgery - St Marks LLC located?
- Mountainstar Medical Group Neurosurgery - St Marks LLC's practice location on file with NPPES is 1220 E 3900 S, Salt Lake City, UT 84124-1377.
- What is Mountainstar Medical Group Neurosurgery - St Marks LLC's phone number?
- The practice phone number listed in the NPPES registry for Mountainstar Medical Group Neurosurgery - St Marks LLC is (801) 261-8507.
- Does Mountainstar Medical Group Neurosurgery - St Marks LLC accept Medicare?
- Mountainstar Medical Group Neurosurgery - St Marks 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 Neurosurgery - St Marks LLC?
- The authorized official listed on Mountainstar Medical Group Neurosurgery - St Marks 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 Neurosurgery - St Marks LLC's NPI active?
- Yes — Mountainstar Medical Group Neurosurgery - St Marks LLC's NPI (1578859831) is active in the NPPES registry as of the last update on 2023-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.