PRIMARY WALK-IN MEDICAL URGENT CARE LLC
NPI 1790260974
Clinic/Center - Urgent Care in East Providence, RI

Active since October 03, 2018CLIA 41D2157332 · Waiver
684 WARREN AVE, EAST PROVIDENCE, RI 02914(401) 434-0022 Get Directions Write a Review

NPPES record last updated: October 3, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Primary Walk-in Medical Urgent Care Llc NPPES

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

PRIMARY WALK-IN MEDICAL URGENT CARE LLC (NPI 1790260974) is a healthcare organization registered as an urgent care in East Providence, Rhode Island and active in the NPI registry since October 2018. The organization holds a CLIA Waiver certificate valid through November 4, 2028 and lists Constantine Vafidis, Owner, as its authorized official.

NPPES Registry Identity

NPI1790260974
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NamePRIMARY WALK-IN MEDICAL URGENT CARE LLC
Location Address684 WARREN AVEEast Providence, RI 02914-1405
Mailing Address684 Warren AveEast Providence, RI 02914-1405 · (401) 434-0022
Organization SubpartNo
Authorized OfficialConstantine VafidisOwner · (401) 434-0022
Enumeration DateOctober 3, 2018
✔ NPI 1790260974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
684 WARREN AVE, East Providence, RI 02914

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)

Primary Walk-in Medical Urgent Care Llc 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 Primary Walk-In Medical Urgent Care LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Family Practice
NPI 1467683227
1524 ATWOOD AVE STE 225
Johnston, RI 02919
(401) 272-5468
✔ PECOS✔ Accepts Medicare7.6 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 41D2157332

Primary Walk-In Medical Urgent Care, LLC · East Providence, RI
Active · expires Nov 4, 2028
CLIA Number41D2157332
Laboratory TypePhysician Office
Certificate Effective DateNovember 5, 2026
Certificate Expiration DateNovember 4, 2028
Laboratory DirectorConstantine Vafidis MD
Laboratory Phone(401) 434-0022
Laboratory LocationPrimary Walk-In Medical Urgent Care, LLC684 Warren Ave, East Providence, RI 02914
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 Primary Walk-In Medical Urgent Care LLC's NPI number?

The NPI number for Primary Walk-In Medical Urgent Care LLC is 1790260974. It was assigned to this organization in the NPPES registry on October 3, 2018.

Where is Primary Walk-In Medical Urgent Care LLC located?

Primary Walk-In Medical Urgent Care LLC is located at 684 Warren Ave, East Providence, RI 02914. The listed phone number is (401) 434-0022.

What is Primary Walk-In Medical Urgent Care LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.

Is Primary Walk-In Medical Urgent Care LLC enrolled in Medicare?

Yes. Primary Walk-In Medical Urgent Care LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Primary Walk-In Medical Urgent Care LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Primary Walk-In Medical Urgent Care LLC. 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 Primary Walk-In Medical Urgent Care LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 41D2157332) is associated with this NPI, valid through November 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Primary Walk-In Medical Urgent Care LLC accept?

Health plans from Harvard Pilgrim Health Care list Primary Walk-In Medical Urgent Care LLC 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 Primary Walk-In Medical Urgent Care LLC was last updated on October 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.