PRIMARY MEDICAL CENTER AND WALK-IN LLC
NPI 1225444243
Family Medicine in East Providence, RI
About Primary Medical Center And Walk-in Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PRIMARY MEDICAL CENTER AND WALK-IN LLC (NPI 1225444243) is a healthcare organization registered as a family medicine in East Providence, Rhode Island and active in the NPI registry since July 2014. The organization holds a CLIA Waiver certificate valid through October 15, 2028 and lists Constantine Vafidis, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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 Medical Center And Walk-in Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Primary Medical Center And Walk-In LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
Providence, RI 02905
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 41D2085542
Primary Medical Center And Walk In, LLC · East Providence, RIFrequently 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 Medical Center And Walk-In LLC's NPI number?
The NPI number for Primary Medical Center And Walk-In LLC is 1225444243. It was assigned to this organization in the NPPES registry on July 10, 2014.
Where is Primary Medical Center And Walk-In LLC located?
Primary Medical Center And Walk-In LLC is located at 684 Warren Ave, East Providence, RI 02914. The listed phone number is (401) 434-0022.
What is Primary Medical Center And Walk-In LLC's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Primary Medical Center And Walk-In LLC enrolled in Medicare?
Yes. Primary Medical Center And Walk-In LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Primary Medical Center And Walk-In LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Primary Medical Center And Walk-In LLC, in Family Practice, Nurse Practitioner and Registered Dietitian or Nutrition Professional. 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. Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Primary Medical Center And Walk-In LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 41D2085542) is associated with this NPI, valid through October 15, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Primary Medical Center And Walk-In LLC was last updated on June 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Primary Medical Center And Walk-In Llc · NPI 1225444243
Family Medicine organization in East Providence, Rhode Island. Organization record, active in the CMS NPPES registry since July 10, 2014.
## Identity
- **NPI:** 1225444243 (Entity type: Organization)
- **Enumerated:** July 10, 2014
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Constantine Vafidis, OWNER
## Practice location
- **Address:** 684 WARREN AVE, East Providence, RI 02914-1405
- **Phone:** (401) 434-0022 · **Fax:** (401) 434-6111
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (2), Family Practice (1), Registered Dietitian or Nutrition Professional (1); 2 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 29, 2016
- **CLIA laboratory certificates:** 1 on file
---
Source: [NPI Profile](https://npiprofile.com/npi/1225444243) · Data from the CMS NPPES public registry.