INTERNAL MEDICINE, P.A.
NPI 1023064052
Clinic/Center - Primary Care in Teaneck, NJ

Active since May 25, 2006CLIA 31D0701942 · Waiver
155 CEDAR LN, TEANECK, NJ 07666(201) 836-4248(201) 836-5420 Get Directions Write a Review

NPPES record last updated: February 11, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Internal Medicine, P.a. NPPES

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

INTERNAL MEDICINE, P.A. (NPI 1023064052) is a healthcare organization registered as a primary care in Teaneck, New Jersey and active in the NPI registry since May 2006. The organization holds a CLIA Waiver certificate valid through January 16, 2028 and lists Muhammad S. Umer, President, as its authorized official.

NPPES Registry Identity

NPI1023064052
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameINTERNAL MEDICINE, P.A.
Location Address155 CEDAR LNTeaneck, NJ 07666-4301
Mailing Address155 Cedar LnTeaneck, NJ 07666-4301 · (201) 836-4248 · Fax (201) 836-5420
Fax(201) 836-5420
Organization SubpartNo
Authorized OfficialMuhammad S. UmerPresident · (201) 836-4248
Enumeration DateMay 25, 2006
Last NPPES UpdateFebruary 11, 2008
✔ NPI 1023064052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
155 CEDAR LN, Teaneck, NJ 07666

Other Identifiers 1

Medicare PIN821996NJ

Accepted Insurance

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)

Internal Medicine, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 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.

StateEnrollment IDDue date
StateNew JerseyEnrollment IDO20121030000554DME · Physician - Internal MedicineDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Internal Medicine, P.A., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Internal Medicine
NPI 1033186200
155 CEDAR LN
Teaneck, NJ 07666
(201) 836-4248
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1548237704
155 CEDAR LN
Teaneck, NJ 07666
(201) 836-4248
✔ PECOS✔ Accepts MedicareSame address

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 31D0701942

Internal Medicine-Jack Berdy MD · Teaneck, NJ
Active · expires Jan 16, 2028
CLIA Number31D0701942
Laboratory TypePhysician Office
Certificate Effective DateJanuary 17, 2026
Certificate Expiration DateJanuary 16, 2028
Laboratory DirectorMuhammad S. Umer MD
Laboratory Phone(201) 836-4248
Laboratory LocationInternal Medicine-Jack Berdy MD155 Cedar Lane, Teaneck, NJ 07666
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, P.A.'s NPI number?

The NPI number for Internal Medicine, P.A. is 1023064052. It was assigned to this organization in the NPPES registry on May 25, 2006.

Where is Internal Medicine, P.A. located?

Internal Medicine, P.A. is located at 155 Cedar Ln, Teaneck, NJ 07666. The listed phone number is (201) 836-4248.

What is Internal Medicine, P.A.'s specialty?

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

Is Internal Medicine, P.A. enrolled in Medicare?

Yes. Internal Medicine, P.A. is registered in the Medicare PECOS enrollment system.

When is Internal Medicine, P.A.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (New Jersey, Physician - Internal Medicine) is due for revalidation by November 30, 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 Internal Medicine, P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Internal Medicine, 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Internal Medicine, P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 31D0701942) is associated with this NPI, valid through January 16, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Internal Medicine, P.A. accept?

Health plans from Oscar Health list Internal Medicine, 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 Internal Medicine, P.A. was last updated on February 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.