JOHN CHAFOS MD
NPI 1275619413
Internal Medicine in Green Brook, NJ
About John Chafos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN CHAFOS MD (NPI 1275619413) is a healthcare organization registered as an internal medicine in Green Brook, New Jersey and active in the NPI registry since October 2006. The organization holds an CLIA Accreditation certificate valid through December 18, 2026 and lists John Nick Chafos, Owner Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Chafos Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
8Medicare enrollment records show 8 clinicians reassign Medicare billing to John Chafos MD, 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 (8)
Belleville, NJ 07109
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 Accreditation 31D0994300
Family Care Primary & Urgent Care LLC · Green Brook, NJFrequently 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 Family Care PA's NPI number?
The NPI number for Family Care PA is 1275619413. It was assigned to this organization in the NPPES registry on October 31, 2006. The provider is also known as John Chafos MD.
Where is Family Care PA located?
Family Care PA is located at 257 Rt 22 East, Green Brook, NJ 08812. The listed phone number is (732) 968-8832.
What is Family Care PA's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Family Care PA enrolled in Medicare?
Yes. Family Care PA is registered in the Medicare PECOS enrollment system.
When is Family Care PA's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New Jersey, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Family Care PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 3 Medicare specialties reassign their Medicare billing to Family Care PA. 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. The largest specialties are Family Practice (4), Nurse Practitioner (3) and Internal Medicine (1). 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 Family Care PA hold a CLIA laboratory certificate?
Yes. A Certificate of Accreditation (number 31D0994300) is associated with this NPI, valid through December 18, 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 Family Care PA was last updated on June 14, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# John Chafos Md · NPI 1275619413
Internal Medicine organization in Green Brook, New Jersey. Organization record, active in the CMS NPPES registry since October 31, 2006.
## Identity
- **NPI:** 1275619413 (Entity type: Organization)
- **Enumerated:** October 31, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Legal business name:** Family Care Pa
- **Organization subpart:** No
- **Authorized official:** John Chafos, OWNER DIRECTOR
## Practice location
- **Address:** 257 RT 22 EAST, Green Brook, NJ 08812
- **Phone:** (732) 968-8832 · **Fax:** (732) 968-2187
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, New Jersey, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 8 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (4), Nurse Practitioner (3), Internal Medicine (1); 2 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 14, 2012
- **Other identifiers:** Medicare PIN 4378170001 (NJ); Other 25MA05399400 (NJ)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1275619413) · Data from the CMS NPPES public registry.