MERCY CLINIC ADULT HOSPITALISTS - WASHINGTON, LLC
NPI 1891943429
Hospitalist in Washington, MO
About Mercy Clinic Adult Hospitalists - Washington, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERCY CLINIC ADULT HOSPITALISTS - WASHINGTON, LLC (NPI 1891943429), doing business as St. John's Mercy Hospitalists Of Washington, is a healthcare organization registered as a hospitalist in Washington, Missouri and active in the NPI registry since September 2008. The organization lists Kerry Dunger, Executive Director - Finance, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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)
Mercy Clinic Adult Hospitalists - Washington, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
259Medicare enrollment records show 259 clinicians reassign Medicare billing to Mercy Clinic Adult Hospitalists - Washington, LLC, which bills Medicare for the services they deliver. Of these, 13 practice at this address and 24 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 15
Nearest to this location (20)
See all 259Washington, MO 63090
Washington, MO 63090
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 Mercy Clinic Adult Hospitalists - Washington, LLC's NPI number?
The NPI number for Mercy Clinic Adult Hospitalists - Washington, LLC is 1891943429. It was assigned to this organization in the NPPES registry on September 8, 2008. The provider was formerly known as St. John's Mercy Hospitalists of Washington.
Where is Mercy Clinic Adult Hospitalists - Washington, LLC located?
Mercy Clinic Adult Hospitalists - Washington, LLC is located at 901 E 5th St, Washington, MO 63090. The listed phone number is (636) 239-8231.
What is Mercy Clinic Adult Hospitalists - Washington, LLC's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mercy Clinic Adult Hospitalists - Washington, LLC enrolled in Medicare?
Yes. Mercy Clinic Adult Hospitalists - Washington, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mercy Clinic Adult Hospitalists - Washington, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 259 clinicians in 15 Medicare specialties reassign their Medicare billing to Mercy Clinic Adult Hospitalists - Washington, 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 Internal Medicine (162), Nurse Practitioner (25) and Hospitalist (22). Of these, 13 practice at this address and 24 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Mercy Clinic Adult Hospitalists - Washington, LLC 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 Mercy Clinic Adult Hospitalists - Washington, 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 Mercy Clinic Adult Hospitalists - Washington, LLC was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Mercy Clinic Adult Hospitalists - Washington, Llc · NPI 1891943429
Hospitalist organization in Washington, Missouri. Organization record, active in the CMS NPPES registry since September 8, 2008.
## Identity
- **NPI:** 1891943429 (Entity type: Organization)
- **Enumerated:** September 8, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **Also known as:** St. John's Mercy Hospitalists of Washington (Former Legal Business Name)
- **Organization subpart:** Yes (part of Mercy Hospitals East Communities)
- **Authorized official:** Kerry Dunger, EXECUTIVE DIRECTOR - FINANCE
## Practice location
- **Address:** 901 E 5TH ST, Washington, MO 63090-3127
- **Phone:** (636) 239-8231 · **Fax:** (636) 239-8732
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 259 clinicians in 15 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (162), Nurse Practitioner (25), Hospitalist (22); 13 practice at this address and 24 within 10 miles; [full list](https://npiprofile.com/npi/1891943429/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 25, 2025
- **Other identifiers:** Medicaid 507045904 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1891943429) · Data from the CMS NPPES public registry.