OrganizationActive
Mercy Medical Center
NPI 1255544300 · Rural Acute Care Hospital · Williston, ND
Mercy Medical Center is a Rural Acute Care Hospital organization in Williston, ND (NPI 1255544300).
Provider details
- NPI number
- 1255544300
- Entity type
- Organization
- Primary specialty
- Rural Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- Mark Ceglowski, Pharmacy Director(701) 774-7400
- License
- 5052A (ND)
Specialties & taxonomies
Hospitals
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1301 15th Ave W
Williston, ND 58801-3821
Phone: (701) 774-7400
Fax: (701) 774-7688
Street-level locationGet directions
Mailing address
1301 15th Ave W
Williston, ND 58801-3821
Other names (DBA / former)
- Former legal business name
- Mercy Hospital
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2020-08-22
Frequently asked questions
- What is Mercy Medical Center's NPI number?
- Mercy Medical Center's National Provider Identifier (NPI) is 1255544300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Medical Center?
- Mercy Medical Center is classified in the NPPES registry as Rural Acute Care Hospital (Hospitals).
- Where is Mercy Medical Center located?
- Mercy Medical Center's practice location on file with NPPES is 1301 15th Ave W, Williston, ND 58801-3821.
- What is Mercy Medical Center's phone number?
- The practice phone number listed in the NPPES registry for Mercy Medical Center is (701) 774-7400.
- Who is the authorized official for Mercy Medical Center?
- The authorized official listed on Mercy Medical Center's NPPES record is Mark Ceglowski, Pharmacy Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Medical Center's NPI active?
- Yes — Mercy Medical Center's NPI (1255544300) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.