ONSITE HOUSE CALL CLINIC
NPI 1922713544
Nurse Practitioner - Primary Care in Hamilton, MS

Active since January 18, 2023CLIA 25D2275569 · Waiver
40114 GRUBB SPRINGS RD, HAMILTON, MS 39746(662) 356-1511(662) 356-1711 Get Directions Write a Review

NPPES record last updated: February 5, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 5, 2023, Jan 23, 2023, Jan 19, 2023 (3 updates tracked since 2023).

About Onsite House Call Clinic NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ONSITE HOUSE CALL CLINIC (NPI 1922713544) is a healthcare organization registered as a primary care in Hamilton, Mississippi and active in the NPI registry since January 2023. The organization holds a CLIA Waiver certificate valid through January 23, 2027 and lists Heather Leigh Holloway, Director, as its authorized official.

NPPES Registry Identity

NPI1922713544
Entity TypeOrganization
Primary Taxonomy363LP2300X
Legal Business NameONSITE HOUSE CALL CLINIC
Location Address40114 GRUBB SPRINGS RDHamilton, MS 39746-9616
Mailing Address40114 Grubb Springs RdHamilton, MS 39746-9616 · (662) 356-1511 · Fax (662) 356-1711
Fax(662) 356-1711
Organization SubpartNo
Authorized OfficialHeather Leigh HollowayDirector · (662) 801-2826
Enumeration DateJanuary 18, 2023
Last NPPES UpdateFebruary 5, 20233 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2023
✔ NPI 1922713544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
40114 GRUBB SPRINGS RD, Hamilton, MS 39746

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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)

Onsite House Call Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Onsite House Call Clinic, which bills Medicare for the services this clinician delivers.

Clinician (1)

Nurse Practitioner
NPI 1932855244
34 E MARION ST
Pontotoc, MS 38863
(662) 801-2826
✔ PECOS49 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 25D2275569

Onsite House Call Clinic · Hamilton, MS
Active · expires Jan 23, 2027
CLIA Number25D2275569
Laboratory TypeHouse Calls-Temp Testing
Certificate Effective DateJanuary 24, 2025
Certificate Expiration DateJanuary 23, 2027
Laboratory DirectorHeather L. Holloway
Laboratory Phone(662) 356-1511
Laboratory LocationOnsite House Call Clinic40114 Grubb Springs Rd, Hamilton, MS 39746
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Onsite House Call Clinic's NPI number?

The NPI number for Onsite House Call Clinic is 1922713544. It was assigned to this organization in the NPPES registry on January 18, 2023.

Where is Onsite House Call Clinic located?

Onsite House Call Clinic is located at 40114 Grubb Springs Rd, Hamilton, MS 39746. The listed phone number is (662) 356-1511.

What is Onsite House Call Clinic's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Onsite House Call Clinic enrolled in Medicare?

Yes. Onsite House Call Clinic is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Onsite House Call Clinic?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Onsite House Call Clinic. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Onsite House Call Clinic hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 25D2275569) is associated with this NPI, valid through January 23, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Onsite House Call Clinic accept?

Health plans from Molina Healthcare list Onsite House Call Clinic 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 Onsite House Call Clinic was last updated on February 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.