Alliance Healthcare System Inc
NPI 1821143256 · Rural Health Clinic/Center · Holly Springs, MS
Enrolled with Medicare as Part a Provider - Rural Health Clinic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alliance Healthcare System Inc is a Rural Health Clinic/Center organization in Holly Springs, MS (NPI 1821143256).
Provider details
- NPI number
- 1821143256
- Entity type
- Organization
- Primary specialty
- Rural Health Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Kenneth Williams, Owner(662) 252-1599
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
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
Mailing address
Other names (DBA / former)
- Doing business as
- Williams Medical Clinic
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2015-02-25
Frequently asked questions
- What is Alliance Healthcare System Inc's NPI number?
- Alliance Healthcare System Inc's National Provider Identifier (NPI) is 1821143256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alliance Healthcare System Inc?
- Alliance Healthcare System Inc is classified in the NPPES registry as Rural Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Alliance Healthcare System Inc located?
- Alliance Healthcare System Inc's practice location on file with NPPES is 1938 Crescent Meadows Dr, Holly Springs, MS 38635-7419.
- What is Alliance Healthcare System Inc's phone number?
- The practice phone number listed in the NPPES registry for Alliance Healthcare System Inc is (662) 252-1599.
- Does Alliance Healthcare System Inc accept Medicare?
- Alliance Healthcare System Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Alliance Healthcare System Inc?
- The authorized official listed on Alliance Healthcare System Inc's NPPES record is Kenneth Williams, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alliance Healthcare System Inc's NPI active?
- Yes — Alliance Healthcare System Inc's NPI (1821143256) is active in the NPPES registry as of the last update on 2015-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.