NESTOR MICHAEL SHUST MD
NPI 1346283066
Emergency Medicine in Washington, MO
About Nestor Michael Shust Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NESTOR MICHAEL SHUST MD (NPI 1346283066) is an individual emergency medicine provider in Washington, Missouri, licensed in Missouri (103383) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Nestor Michael Shust Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Nestor Shust reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 178 clinicians in this Medicare group
Wildwood, MO 63040
- Reassigned Medicare billing, Missouri enrollment
- 228 clinicians in this Medicare group
Troy, MO 63379
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 241 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 186 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 118 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Missouri enrollment
- 343 clinicians in this Medicare group
Perryville, MO 63775
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1063117158 (Missouri)
- 192 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WASHINGTON, MO 63090
WASHINGTON, MO 63090
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 Nestor Shust's NPI number?
The NPI number for Nestor Shust is 1346283066. It was assigned to this individual provider in the NPPES registry on June 13, 2006.
Where is Nestor Shust located?
Nestor Shust practices at 901 Patients First Dr, Washington, MO 63090. The listed phone number is (636) 390-1777.
What is Nestor Shust's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nestor Shust enrolled in Medicare?
Yes. Nestor Shust is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nestor Shust's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nestor Shust reassigns Medicare benefits to 8 organizations: Mercy Hospitals East Communities (Washington, MO), Mercy Clinic East Communities (Wildwood, MO), Mercy Hospital Lincoln (Troy, MO), Mercy Hospitals East Communities (Saint Louis, MO), Mercy Hospital South (Saint Louis, MO) and 3 more organizations, listed in the Medicare section above. 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 Nestor Shust's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nestor Shust accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Nestor Shust 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 Nestor Shust was last updated on January 23, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Nestor Michael Shust, MD · NPI 1346283066
Emergency Medicine physician in Washington, Missouri. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1346283066 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 103383 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 901 PATIENTS FIRST DR, Washington, MO 63090-4700
- **Phone:** (636) 390-1777 · **Fax:** (636) 390-1778
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Mercy Hospitals East Communities (NPI 1104912997, Washington, MO); Mercy Clinic East Communities (NPI 1164857397, Wildwood, MO); Mercy Hospital Lincoln (NPI 1962808733, Troy, MO); Mercy Hospitals East Communities (NPI 1427098169, Saint Louis, MO); Mercy Hospital South (NPI 1568481984, Saint Louis, MO); and 3 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 23, 2012
- **Other identifiers:** Other 930102033 (MO); Medicaid 201607611 (MO); Other 124884 (MO); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1346283066) · Data from the CMS NPPES public registry.