ST. MARK'S GYNECOLOGY ONCOLOGY CARE LLC
NPI 1053593921
Obstetrics & Gynecology - Gynecologic Oncology in Salt Lake City, UT
About St. Mark's Gynecology Oncology Care Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ST. MARK'S GYNECOLOGY ONCOLOGY CARE LLC (NPI 1053593921) is a healthcare organization registered as a gynecologic oncology in Salt Lake City, Utah and active in the NPI registry since December 2007. The organization lists Louis Joseph, Vp, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
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)
St. Mark's Gynecology Oncology Care Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
17Medicare enrollment records show 17 clinicians reassign Medicare billing to St. Mark's Gynecology Oncology Care LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 11 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (17)
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 St. Mark's Gynecology Oncology Care LLC's NPI number?
The NPI number for St. Mark's Gynecology Oncology Care LLC is 1053593921. It was assigned to this organization in the NPPES registry on December 3, 2007.
Where is St. Mark's Gynecology Oncology Care LLC located?
St. Mark's Gynecology Oncology Care LLC is located at 1140 E 3900 S Ste 400, Salt Lake City, UT 84124. The listed phone number is (801) 268-6811.
What is St. Mark's Gynecology Oncology Care LLC's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is St. Mark's Gynecology Oncology Care LLC enrolled in Medicare?
Yes. St. Mark's Gynecology Oncology Care LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through St. Mark's Gynecology Oncology Care LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 3 Medicare specialties reassign their Medicare billing to St. Mark's Gynecology Oncology Care 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 Obstetrics/Gynecology (10), Certified Nurse Midwife (CNM) (6) and Family Practice (1). Of these, 4 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does St. Mark's Gynecology Oncology Care LLC accept?
Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah and University of Utah Health Plans list St. Mark's Gynecology Oncology Care 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 St. Mark's Gynecology Oncology Care LLC was last updated on August 29, 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.
# St. Mark's Gynecology Oncology Care Llc · NPI 1053593921
Gynecologic Oncology organization in Salt Lake City, Utah. Organization record, active in the CMS NPPES registry since December 3, 2007.
## Identity
- **NPI:** 1053593921 (Entity type: Organization)
- **Enumerated:** December 3, 2007
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **Organization subpart:** No
- **Authorized official:** Louis Joseph, VP
## Practice location
- **Address:** 1140 E 3900 S STE 400, Salt Lake City, UT 84124-1269
- **Phone:** (801) 268-6811 · **Fax:** (801) 743-4736
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 17 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Obstetrics/Gynecology (10), Certified Nurse Midwife (CNM) (6), Family Practice (1); 4 practice at this address and 11 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 29, 2023
- **Other identifiers:** Medicaid 1053593921 (UT); Medicaid 1053593921 (WY); Medicaid 807953700 (ID)
---
Source: [NPI Profile](https://npiprofile.com/npi/1053593921) · Data from the CMS NPPES public registry.