MERCY MEDICAL CENTER
NPI 1801928593
Psychiatry & Neurology - Psychiatry in Williston, ND
About Mercy Medical Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERCY MEDICAL CENTER (NPI 1801928593) is a healthcare organization registered as a psychiatry in Williston, North Dakota and active in the NPI registry since March 2007. The organization lists Kerry S. Monson, Vp Finance Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 3
Group Practice 1
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 Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
268Medicare enrollment records show 268 clinicians reassign Medicare billing to Mercy Medical Center, which bills Medicare for the services they deliver. Of these, 28 practice at this address and 39 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 20
Nearest to this location (20)
See all 268Williston, ND 58801
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 Medical Center's NPI number?
The NPI number for Mercy Medical Center is 1801928593. It was assigned to this organization in the NPPES registry on March 9, 2007.
Where is Mercy Medical Center located?
Mercy Medical Center is located at 1301 15th Ave W, Williston, ND 58801. The listed phone number is (701) 774-7401.
What is Mercy Medical Center's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mercy Medical Center enrolled in Medicare?
Yes. Mercy Medical Center is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mercy Medical Center?
According to the CMS Revalidation Reassignment List (October 2026 release), 268 clinicians in 20 Medicare specialties reassign their Medicare billing to Mercy Medical Center. 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 Diagnostic Radiology (94), Emergency Medicine (46) and Nurse Practitioner (34). Of these, 28 practice at this address and 39 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mercy Medical Center was last updated on June 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Mercy Medical Center · NPI 1801928593
Psychiatry organization in Williston, North Dakota. Organization record, active in the CMS NPPES registry since March 9, 2007.
## Identity
- **NPI:** 1801928593 (Entity type: Organization)
- **Enumerated:** March 9, 2007
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **Organization subpart:** No
- **Authorized official:** Kerry Monson, VP FINANCE CFO
## Practice location
- **Address:** 1301 15TH AVE W, Williston, ND 58801-3821
- **Phone:** (701) 774-7401 · **Fax:** (701) 774-7479
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 268 clinicians in 20 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Diagnostic Radiology (94), Emergency Medicine (46), Nurse Practitioner (34); 28 practice at this address and 39 within 10 miles; [full list](https://npiprofile.com/npi/1801928593/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 23, 2008
- **Other identifiers:** Other 711002 (ND); Medicaid 11684 (ND); Medicare PIN N70793 (ND)
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Source: [NPI Profile](https://npiprofile.com/npi/1801928593) · Data from the CMS NPPES public registry.