DR. STEVEN SAUK MD
NPI 1215101712
Radiology - Vascular & Interventional Radiology in Saint Louis, MO
About Dr. Steven Sauk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN SAUK MD (NPI 1215101712) is an individual vascular & interventional radiology provider in Saint Louis, Missouri, licensed in Missouri (2021037366) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains a secondary practice location in Edina.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Steven Sauk Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Steven Sauk reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 373 clinicians in this Medicare group
Springfield, IL 62703
- Reassigned Medicare billing, Illinois enrollment
- 735 clinicians in this Medicare group
Rolla, MO 65401
- Reassigned Medicare billing, Missouri enrollment
- 347 clinicians in this Medicare group
Edina, MN 55435
- Reassigned Medicare billing, Missouri enrollment
- 14 clinicians in this Medicare group
Warren, PA 16365
- Reassigned Medicare billing, Missouri enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOMissouri Baptist Sullivan Hospital
Critical Access Hospitals · Sullivan, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Steven Sauk's NPI number?
The NPI number for Steven Sauk is 1215101712. It was assigned to this individual provider in the NPPES registry on April 15, 2008.
Where is Steven Sauk located?
Steven Sauk practices at 510 S Kingshighway Blvd Dept Radiology 6th Fl, Saint Louis, MO 63110. The listed phone number is (314) 362-2900.
What is Steven Sauk's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Steven Sauk enrolled in Medicare?
Yes. Steven Sauk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Steven Sauk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Sauk reassigns Medicare benefits to 5 organizations: Washington University (Saint Louis, MO), Springfield Clinic, LLP (Springfield, IL), Miracl, LLC (Rolla, MO), Virtual Radiologic Professionals, LLC (Edina, MN) and Warren General Hospital (Warren, PA). Each 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 Steven Sauk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Sauk accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and Wellmark Health Plan of Iowa, Inc. list Steven Sauk 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.
Is Steven Sauk affiliated with any hospitals?
According to CMS data, Steven Sauk is affiliated with Memorial Hospital, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and Missouri Baptist Sullivan Hospital.
When was this NPI record last updated?
The NPPES record for Steven Sauk was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Dr. Steven Sauk, MD · NPI 1215101712
Vascular & Interventional Radiology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 15, 2008.
## Identity
- **NPI:** 1215101712 (Entity type: Individual)
- **Enumerated:** April 15, 2008
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** 2021037366 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY 6TH FL, Saint Louis, MO 63110-1016
- **Phone:** (314) 362-2900 · **Fax:** (314) 362-2276
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Washington University (NPI 1962442475, Saint Louis, MO); Springfield Clinic, LLP (NPI 1780638478, Springfield, IL); Miracl, LLC (NPI 1205304300, Rolla, MO); Virtual Radiologic Professionals, LLC (NPI 1932342029, Edina, MN); Warren General Hospital (NPI 1811600307, Warren, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** March 10, 2026
- **Other identifiers:** Medicaid 200003569 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1215101712) · Data from the CMS NPPES public registry.