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THRESHOLD MEDICAL, PLC
NPI 1033720396
Family Medicine in Midlothian, VA

Active since August 11, 2020CLIA 49D2086786 · Waiver
2621 PROMENADE PKWY STE 101, MIDLOTHIAN, VA 23113(804) 897-3746 Get Directions Write a Review

NPPES record last updated: August 11, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Threshold Medical, Plc NPPES

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

THRESHOLD MEDICAL, PLC (NPI 1033720396), doing business as Threshold Medical, is a healthcare organization registered as a family medicine in Midlothian, Virginia and active in the NPI registry since August 2020. The organization holds a CLIA Waiver certificate valid through November 11, 2026 and lists Robert L. Quarles, Owner, as its authorized official.

NPPES Registry Identity

NPI1033720396
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameTHRESHOLD MEDICAL, PLC
Location Address2621 PROMENADE PKWY STE 101Midlothian, VA 23113-4905
Mailing Address2621 Promenade Pkwy Ste 101Midlothian, VA 23113-4905 · (804) 897-3746
Phone(804) 897-3746
Organization SubpartNo
Authorized OfficialRobert L. QuarlesOwner · (804) 897-3747
Enumeration DateAugust 11, 2020
NPPES CertifiedAugust 11, 2020
✔ NPI 1033720396 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2621 PROMENADE PKWY STE 101, Midlothian, VA 23113
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Other Names 1

Doing Business AsThreshold Medical

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Threshold Medical, Plc 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 Threshold Medical, Plc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Robert Quarles, D.O.
General Practice
NPI 1457386237
2621 PROMENADE PKWY STE 101
Midlothian, VA 23113
(804) 897-3746
✔ PECOS✔ Accepts MedicareSame address

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 49D2086786

Threshold Medical Plc · Midlothian, VA
Active · expires Nov 11, 2026
CLIA Number49D2086786
Laboratory TypePhysician Office
Certificate Effective DateNovember 12, 2024
Certificate Expiration DateNovember 11, 2026
Laboratory DirectorRobert L. Quarles
Laboratory Phone(804) 897-3746
Laboratory LocationThreshold Medical Plc2621 Promenade Parkway - Suite 101, Midlothian, VA 23113
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 Threshold Medical, Plc's NPI number?

The NPI number for Threshold Medical, Plc is 1033720396. It was assigned to this organization in the NPPES registry on August 11, 2020. The provider is doing business as Threshold Medical.

Where is Threshold Medical, Plc located?

Threshold Medical, Plc is located at 2621 Promenade Pkwy Ste 101, Midlothian, VA 23113. The listed phone number is (804) 897-3746.

What is Threshold Medical, Plc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Threshold Medical, Plc enrolled in Medicare?

Yes. Threshold Medical, Plc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Threshold Medical, Plc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Threshold Medical, Plc. 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 Threshold Medical, Plc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 49D2086786) is associated with this NPI, valid through November 11, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Threshold Medical, Plc was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.