DR. IRENE MAMKIN M.D.
NPI 1326210485
Pediatrics - Pediatric Endocrinology in West Orange, NJ

Q: What is Irene Mamkin's NPI number?

The NPI number for Irene Mamkin is 1326210485. It was assigned to this individual provider in the NPPES registry on March 29, 2008.

Q: What is Irene Mamkin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Q: When was this NPI record last updated?

The NPPES record for Irene Mamkin was last updated on February 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since March 29, 2008PECOS Enrolled

93.71/100

CMS Quality Rating

375 MOUNT PLEASANT AVE, WEST ORANGE, NJ 07052(973) 322-6900(973) 322-6999 Get Directions Write a Review

NPPES record last updated: February 3, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Irene Mamkin M.d. NPPES

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

DR. IRENE MAMKIN M.D. (NPI 1326210485) is an individual pediatric endocrinology provider in West Orange, New Jersey, licensed in New York (250979) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326210485

Entity TypeIndividualFemale

Primary Taxonomy2080P0205X

Provider Legal NameDR. IRENE MAMKINCredential: M.D.

Location Address375 MOUNT PLEASANT AVEWest Orange, NJ 07052-2724

Mailing Address375 Mount Pleasant AveWest Orange, NJ 07052-2724 · (973) 322-6900 · Fax (973) 322-6999

Phone(973) 322-6900

Fax(973) 322-6999

Sole ProprietorYes

Enumeration DateMarch 29, 2008

Last NPPES UpdateFebruary 3, 2014

✔ NPI 1326210485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0205X

License✔ Licensed in NY · 250979

Definition

A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.

Also ListedPediatricsTaxonomy 208000000X · License 250979 (NY)

375 MOUNT PLEASANT AVE, West Orange, NJ 07052

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Irene Mamkin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Irene Mamkin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Barnabas Health Medical Group PC

9.3 mi

Specialist

225 WILLIAMSON ST
Elizabeth, NJ 07202

Reassigned Medicare billing, New Jersey enrollment
1,894 clinicians in this Medicare group

NPI 1841557246 (888) 724-7123

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07052 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.71/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

77.79

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YESICA CANO APN

Nurse Practitioner (Gerontology)

375 MOUNT PLEASANT AVE
WEST ORANGE, NJ 07052

Essex County (973) 731-9442

DR. JOAO A LOPES M.D.

Surgery

375 MOUNT PLEASANT AVE
WEST ORANGE, NJ 07052

Essex County (973) 731-7707

ADILA ASIM FAKHAR RD

Dietitian, Registered

375 MOUNT PLEASANT AVE
WEST ORANGE, NJ 07052

Essex County (973) 731-9442

MR. STEPHEN CRANE MD

Obstetrics & Gynecology

375 MOUNT PLEASANT AVE, SUITE 202
WEST ORANGE, NJ 07052

Essex County (973) 731-7707

DR. DAVID P DOBESH MD

Internal Medicine (Clinical Cardiac Electrophysiology)

375 MOUNT PLEASANT AVE
WEST ORANGE, NJ 07052

Essex County (973) 731-9442

ELIZABETH ANN JEHLE CPNP-PC

Nurse Practitioner (Pediatrics)

375 MOUNT PLEASANT AVE
WEST ORANGE, NJ 07052

Essex County (973) 322-6900

PATRICIA ANN CORTINA PT

Physical Therapist

375 MOUNT PLEASANT AVE
WEST ORANGE, NJ 07052

Essex County (908) 322-6363

DR. DANIEL SANSOBRINO MD

Obstetrics & Gynecology

375 MOUNT PLEASANT AVE
WEST ORANGE, NJ 07052

Essex County (973) 731-7707

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 Irene Mamkin's NPI number?

The NPI number for Irene Mamkin is 1326210485. It was assigned to this individual provider in the NPPES registry on March 29, 2008.

Where is Irene Mamkin located?

Irene Mamkin practices at 375 Mount Pleasant Ave, West Orange, NJ 07052. The listed phone number is (973) 322-6900.

What is Irene Mamkin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Irene Mamkin enrolled in Medicare?

Yes. Irene Mamkin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Irene Mamkin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irene Mamkin reassigns Medicare benefits to Barnabas Health Medical Group PC (Elizabeth, NJ). The 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 Irene Mamkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Irene Mamkin accept?

Health plans from Oscar Health list Irene Mamkin 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 Irene Mamkin was last updated on February 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.