ELLEN OPPENHEIMER M.D.
NPI 1841224680
Pediatrics - Pediatric Endocrinology in Livingston, NJ

Q: What is Ellen Oppenheimer's NPI number?

The NPI number for Ellen Oppenheimer is 1841224680. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Q: What is Ellen Oppenheimer'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 Ellen Oppenheimer was last updated on April 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 July 10, 2006PECOS Enrolled

200 S ORANGE AVE, LIVINGSTON, NJ 07039(973) 322-7600(973) 322-7504 Get Directions Write a Review

NPPES record last updated: April 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Ellen Oppenheimer M.d. NPPES

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

ELLEN OPPENHEIMER M.D. (NPI 1841224680) is an individual pediatric endocrinology provider in Livingston, New Jersey, licensed in New Jersey (25MA06097600) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841224680

Entity TypeIndividualFemale

Primary Taxonomy2080P0205X

Provider Legal NameELLEN OPPENHEIMERCredential: M.D.

Location Address200 S ORANGE AVELivingston, NJ 07039-5817

Mailing Address200 S Orange AveLivingston, NJ 07039-5817 · (973) 322-7600 · Fax (973) 322-7504

Phone(973) 322-7600

Fax(973) 322-7504

Sole ProprietorNo

Enumeration DateJuly 10, 2006

Last NPPES UpdateApril 8, 2024

NPPES CertifiedApril 8, 2024

✔ NPI 1841224680 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 NJ · 25MA06097600

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 25MA06097600 (NJ)

200 S ORANGE AVE, Livingston, NJ 07039

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)

Ellen Oppenheimer 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 Ellen Oppenheimer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Barnabas Health Medical Group PC

11 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 07039 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.

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.

VE ANDREI MD, BARIATRIC ASSOCIATES,PA

Specialist

200 S ORANGE AVE
LIVINGSTON, NJ 07039

Essex County (800) 200-5553

MELINDA LAUREANO OT

Occupational Therapist

200 S ORANGE AVE
LIVINGSTON, NJ 07039

Essex County (973) 322-7500

OBESITY TREATMENT CENTERS OF MORRIS COUNTY LLC

Clinic/Center (Medical Specialty)

200 S ORANGE AVE, SUITE 203
LIVINGSTON, NJ 07039

Essex County (973) 322-7977

MS. JULIE REICHLING MS, LCGC

Genetic Counselor, MS

200 S ORANGE AVE
LIVINGSTON, NJ 07039

Essex County (973) 322-0202

INTEGRATIVE HEALTH AND WELLNESS, PA

Internal Medicine

200 S ORANGE AVE
LIVINGSTON, NJ 07039

Essex County (973) 322-7007

AGNETA HOWLAND PT

Physical Therapist

200 S ORANGE AVE
LIVINGSTON, NJ 07039

Essex County (973) 322-7500

MRS. SONALI LALWANI PT, DPT

Physical Therapist

200 S ORANGE AVE
LIVINGSTON, NJ 07039

Essex County (973) 322-7500

JILL RITTER MD

Internal Medicine (Rheumatology)

200 S ORANGE AVE
LIVINGSTON, NJ 07039

Essex County (973) 322-7400

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 Ellen Oppenheimer's NPI number?

The NPI number for Ellen Oppenheimer is 1841224680. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Where is Ellen Oppenheimer located?

Ellen Oppenheimer practices at 200 S Orange Ave, Livingston, NJ 07039. The listed phone number is (973) 322-7600.

What is Ellen Oppenheimer's specialty?

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

Is Ellen Oppenheimer enrolled in Medicare?

Yes. Ellen Oppenheimer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ellen Oppenheimer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Oppenheimer 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 Ellen Oppenheimer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ellen Oppenheimer accept?

Health plans from Oscar Health list Ellen Oppenheimer 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 Ellen Oppenheimer was last updated on April 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.