IM&GP
NPI 1598803264
Clinic/Center - Primary Care in Clifton, NJ

Active since February 02, 2007CLIA 31D1086459 · Waiver
1414 MAIN AVE, SUITE B, CLIFTON, NJ 07011(973) 253-6000(973) 253-6009 Get Directions Write a Review

NPPES record last updated: August 26, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Im&gp NPPES

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

IM&GP (NPI 1598803264) is a healthcare organization registered as a primary care in Clifton, New Jersey and active in the NPI registry since February 2007. The organization holds a CLIA Waiver certificate valid through July 13, 2028 and lists Waleed S Lashin, President, as its authorized official.

NPPES Registry Identity

NPI1598803264
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameINTERNAL MEDICINE AND GERIATRICS PRACTICE, INC
Location Address1414 MAIN AVE, SUITE BClifton, NJ 07011-2157
Mailing Address1414 Main Ave, Suite BClifton, NJ 07011-2157 · (973) 253-6000 · Fax (973) 253-6009
Fax(973) 253-6009
Organization SubpartNo
Authorized OfficialWaleed S LashinPresident · (973) 253-6000
Enumeration DateFebruary 2, 2007
Last NPPES UpdateAugust 26, 2010
✔ NPI 1598803264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in NJ · MA07809300
1414 MAIN AVE, Clifton, NJ 07011

Other Names 1

Other NameIm&gp

Other Identifiers 3

Medicare ID-Type Unspecified090415NJ
Medicare UPINI28596NJ
Medicaid0064394NJ

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)

Im&gp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Im & gp, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 9 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Nurse Practitioner8
Internal Medicine2

Clinicians, nearest first (10)

Nurse Practitioner
NPI 1912611898
1414 MAIN AVE # B
Clifton, NJ 07011
(973) 253-6000
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1477590644
1414 MAIN AVE
Clifton, NJ 07011
(973) 253-6000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1982248894
1414 MAIN AVE
Clifton, NJ 07011
(973) 253-6000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1346588183
1414 MAIN AVE
Clifton, NJ 07011
(973) 253-6000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1649042946
1414 MAIN AVE
Clifton, NJ 07011
(973) 902-9810
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1710741046
645 MAIN ST
Paterson, NJ 07503
(973) 754-2000
✔ PECOS✔ Accepts Medicare1.8 mi
Nurse Practitioner
NPI 1427440148
91 MAIN ST
Paterson, NJ 07505
(973) 523-4000
✔ PECOS✔ Accepts Medicare2.8 mi
Nurse Practitioner
NPI 1235248980
305 OLDHAM RD
Wayne, NJ 07470
(973) 904-5000
✔ PECOS4.4 mi
Nurse Practitioner
NPI 1649392218
1 VETERANS WAY
Paramus, NJ 07652
(201) 634-8510
✔ PECOS6.9 mi
Internal Medicine
NPI 1487078655
1 DIAMOND HILL RD
Berkeley Heights, NJ 07922
(866) 396-9344
✔ PECOS✔ Accepts Medicare20 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 31D1086459

Internal Medicine & Geriatric Practice Inc · Clifton, NJ
Active · expires Jul 13, 2028
CLIA Number31D1086459
Laboratory TypePhysician Office
Certificate Effective DateJuly 14, 2026
Certificate Expiration DateJuly 13, 2028
Laboratory DirectorWaleed S. Lashin
Laboratory Phone(973) 253-6000
Laboratory LocationInternal Medicine & Geriatric Practice Inc1414 Main Avenue, Clifton, NJ 07011
CLIA data matches this NPI record on: Address 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 Internal Medicine And Geriatrics Practice, Inc's NPI number?

The NPI number for Internal Medicine And Geriatrics Practice, Inc is 1598803264. It was assigned to this organization in the NPPES registry on February 2, 2007. The provider is also known as Im&gp.

Where is Internal Medicine And Geriatrics Practice, Inc located?

Internal Medicine And Geriatrics Practice, Inc is located at 1414 Main Ave Suite B, Clifton, NJ 07011. The listed phone number is (973) 253-6000.

What is Internal Medicine And Geriatrics Practice, Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Internal Medicine And Geriatrics Practice, Inc enrolled in Medicare?

Yes. Internal Medicine And Geriatrics Practice, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Internal Medicine And Geriatrics Practice, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Internal Medicine And Geriatrics Practice, Inc. 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 Nurse Practitioner (8) and Internal Medicine (2). Of these, 5 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Internal Medicine And Geriatrics Practice, Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 31D1086459) is associated with this NPI, valid through July 13, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Internal Medicine And Geriatrics Practice, Inc accept?

Health plans from Oscar Health list Internal Medicine And Geriatrics Practice, Inc 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 Internal Medicine And Geriatrics Practice, Inc was last updated on August 26, 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.