Essential Primary Healthcare
NPI 1891647392 · Primary Care Clinic/Center · Marion, SC
Essential Primary Healthcare is a Primary Care Clinic/Center organization in Marion, SC (NPI 1891647392).
Provider details
- NPI number
- 1891647392
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Tammy Mcmillan, Nurse Practitioner(843) 468-1299
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
Under 1 yr in 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
Registry dates
- Enumerated
- 2026-02-10
- Last updated
- 2026-02-10
- Certified
- 2026-02-10
Frequently asked questions
- What is Essential Primary Healthcare's NPI number?
- Essential Primary Healthcare's National Provider Identifier (NPI) is 1891647392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Essential Primary Healthcare?
- Essential Primary Healthcare is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Essential Primary Healthcare located?
- Essential Primary Healthcare's practice location on file with NPPES is 609 N Main St Ste 601, Marion, SC 29571-3033.
- What is Essential Primary Healthcare's phone number?
- The practice phone number listed in the NPPES registry for Essential Primary Healthcare is (843) 468-1299.
- Who is the authorized official for Essential Primary Healthcare?
- The authorized official listed on Essential Primary Healthcare's NPPES record is Tammy Mcmillan, Nurse Practitioner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Essential Primary Healthcare's NPI active?
- Yes — Essential Primary Healthcare's NPI (1891647392) is active in the NPPES registry as of the last update on 2026-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.