DR. JONATHAN EDWARD O'BRIEN M.D.
NPI 1922233824
Obstetrics & Gynecology - Maternal & Fetal Medicine in Livingston, NJ

Q: What is Jonathan O'brien's NPI number?

The NPI number for Jonathan O'brien is 1922233824. It was assigned to this individual provider in the NPPES registry on May 20, 2009.

Q: What is Jonathan O'brien's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Q: When was this NPI record last updated?

The NPPES record for Jonathan O'brien was last updated on November 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 May 20, 2009PECOS Enrolled

94 OLD SHORT HILLS RD, LIVINGSTON, NJ 07039(973) 322-5287(973) 322-2309 Get Directions Write a Review

NPPES record last updated: November 12, 2015. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Dr. Jonathan Edward O'brien M.d. NPPES

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

DR. JONATHAN EDWARD O'BRIEN M.D. (NPI 1922233824) is an individual maternal & fetal medicine provider in Livingston, New Jersey, licensed in New Jersey (25MA09242900) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922233824

Entity TypeIndividualMale

Primary Taxonomy207VM0101X

Provider Legal NameDR. JONATHAN EDWARD O'BRIENCredential: M.D.

Location Address94 OLD SHORT HILLS RDLivingston, NJ 07039-5672

Mailing Address94 Old Short Hills RdLivingston, NJ 07039-5672 · (973) 322-5287 · Fax (973) 322-2309

Phone(973) 322-5287

Fax(973) 322-2309

Sole ProprietorNo

Enumeration DateMay 20, 2009

Last NPPES UpdateNovember 12, 2015

✔ NPI 1922233824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207VM0101X

License✔ Licensed in NJ · 25MA09242900

Definition

An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 25MA09242900 (NJ)

94 OLD SHORT HILLS RD, Livingston, NJ 07039

Open in Google Maps ↗

Other Identifiers 1

Medicare PIN160003178MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, 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. Jonathan Edward O'brien 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 Jonathan O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New Jersey Perinatal Assoc. LLC

Same address

Specialist

94 OLD SHORT HILLS RD, EAST WING, SUITE 402
Livingston, NJ 07039

Reassigned Medicare billing, New Jersey enrollment
10 clinicians in this Medicare group

NPI 1487696779 (973) 322-5287

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

$79.09 typical visit price

range $20.97 – $155.92

Typical copayment $19.77 (range $5.24 – $38.98)

Most-billed visit code 99213

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.

CASSIDY MARTIN DNP

Nurse Practitioner (Gerontology)

94 OLD SHORT HILLS RD
LIVINGSTON, NJ 07039

Essex County (973) 322-2793

HARRY S VANWAGENEN PA-C

Psychiatry & Neurology (Neurology)

94 OLD SHORT HILLS RD
LIVINGSTON, NJ 07039

Essex County (973) 322-5000

CHISOM ENEKEBE

Pharmacist

94 OLD SHORT HILLS RD
LIVINGSTON, NJ 07039

Essex County (862) 438-2289

ASSOCIATES IN TRANSPLANT AND GENERAL SURGERY

Specialist

94 OLD SHORT HILLS RD, EAST WING, SUITE 305
LIVINGSTON, NJ 07039

Essex County (973) 322-9801

TERESITA C REDONDO MD

Pathology (Anatomic Pathology & Clinical Pathology)

94 OLD SHORT HILLS RD
LIVINGSTON, NJ 07039

Essex County (973) 322-5763

DR. GREGORY JOSEPH ROKOSZ D.O.

Emergency Medicine

94 OLD SHORT HILLS RD
LIVINGSTON, NJ 07039

Essex County (973) 322-5733

BILAL KHAN

Internal Medicine (Critical Care Medicine)

94 OLD SHORT HILLS RD
LIVINGSTON, NJ 07039

Essex County (646) 591-5953

MRS. KATHERINE DANIELLE SZUCS APN

Nurse Practitioner

94 OLD SHORT HILLS RD
LIVINGSTON, NJ 07039

Essex County (973) 322-2249

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 Jonathan O'brien's NPI number?

The NPI number for Jonathan O'brien is 1922233824. It was assigned to this individual provider in the NPPES registry on May 20, 2009.

Where is Jonathan O'brien located?

Jonathan O'brien practices at 94 Old Short Hills Rd, Livingston, NJ 07039. The listed phone number is (973) 322-5287.

What is Jonathan O'brien's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Jonathan O'brien enrolled in Medicare?

Yes. Jonathan O'brien is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jonathan O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan O'brien reassigns Medicare benefits to New Jersey Perinatal Assoc. LLC (Livingston, 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 Jonathan O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jonathan O'brien accept?

Health plans from Ambetter Health and Oscar Health list Jonathan O'brien 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 Jonathan O'brien was last updated on November 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.