RANDOLPH MEDICAL & RENAL ASSOCIATES P.A.
NPI 1639265853
Internal Medicine - Nephrology in Randolph, NJ

Active since October 05, 2006CLIA 31D0115859 · Waiver
121 CENTER GROVE RD, RANDOLPH, NJ 07869(973) 361-3737(973) 361-9884 Get Directions Write a Review

NPPES record last updated: April 16, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Randolph Medical & Renal Associates P.a. NPPES

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

RANDOLPH MEDICAL & RENAL ASSOCIATES P.A. (NPI 1639265853) is a healthcare organization registered as a nephrology in Randolph, New Jersey and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through May 7, 2027 and lists James S Najarian, Managerowner, as its authorized official.

NPPES Registry Identity

NPI1639265853
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameRANDOLPH MEDICAL & RENAL ASSOCIATES P.A.
Location Address121 CENTER GROVE RDRandolph, NJ 07869-4453
Mailing Address121 Center Grove RdRandolph, NJ 07869-4453 · (973) 361-3737 · Fax (973) 361-9884
Fax(973) 361-9884
Organization SubpartNo
Authorized OfficialJames S NajarianManagerowner · (973) 361-3737
Enumeration DateOctober 5, 2006
Last NPPES UpdateApril 16, 2010
✔ NPI 1639265853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
121 CENTER GROVE RD, Randolph, NJ 07869

Other Identifiers 2

Medicaid2980100NJ
Medicare PIN548731

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

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)

Randolph Medical & Renal Associates P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Randolph Medical & Renal Associates P.A., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Nephrology
NPI 1184945552
121 CENTER GROVE RD
Randolph, NJ 07869
(973) 361-3737
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1205135548
121 CENTER GROVE RD
Randolph, NJ 07869
(973) 361-3737
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1780213728
121 CENTER GROVE RD STE 11
Randolph, NJ 07869
(973) 361-3737
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1255883716
26 GREENVILLE AVE
Jersey City, NJ 07305
(201) 333-8222
✔ PECOS✔ Accepts Medicare27 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 31D0115859

Randolph Medical & Renal Assoc · Randolph, NJ
Active · expires May 7, 2027
CLIA Number31D0115859
Laboratory TypePhysician Office
Certificate Effective DateMay 8, 2025
Certificate Expiration DateMay 7, 2027
Laboratory DirectorShing Li
Laboratory Phone(201) 361-3737
Laboratory LocationRandolph Medical & Renal Assoc121 Center Grove Rd, Randolph, NJ 07869
CLIA data matches this NPI record on: Address Name
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 Randolph Medical & Renal Associates P.A.'s NPI number?

The NPI number for Randolph Medical & Renal Associates P.A. is 1639265853. It was assigned to this organization in the NPPES registry on October 5, 2006.

Where is Randolph Medical & Renal Associates P.A. located?

Randolph Medical & Renal Associates P.A. is located at 121 Center Grove Rd, Randolph, NJ 07869. The listed phone number is (973) 361-3737.

What is Randolph Medical & Renal Associates P.A.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Randolph Medical & Renal Associates P.A. enrolled in Medicare?

Yes. Randolph Medical & Renal Associates P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Randolph Medical & Renal Associates P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Randolph Medical & Renal Associates P.A.. 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 Nephrology (3) and Nurse Practitioner (1). Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Randolph Medical & Renal Associates P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 31D0115859) is associated with this NPI, valid through May 7, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Randolph Medical & Renal Associates P.A. accept?

Health plans from Oscar Health list Randolph Medical & Renal Associates P.A. 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 Randolph Medical & Renal Associates P.A. was last updated on April 16, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.