Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARC E. UKNIS M.D.
NPI 1659316230
Specialist in Livingston, NJ

Q: What is Marc Uknis's NPI number?

The NPI number for Marc Uknis is 1659316230. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Q: What is Marc Uknis's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Marc Uknis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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 June 18, 2006

94 OLD SHORT HILLS RD, EAST WING, SUITE 305, LIVINGSTON, NJ 07039(973) 322-9801(973) 322-9807 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Marc E. Uknis M.d. NPPES

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

DR. MARC E. UKNIS M.D. (NPI 1659316230) is an individual specialist in Livingston, New Jersey, licensed in New Jersey (25MA07992400) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1659316230

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. MARC E. UKNISCredential: M.D.

Location Address94 OLD SHORT HILLS RD, EAST WING, SUITE 305Livingston, NJ 07039-5672

Mailing Address94 Old Short Hills Rd, East Wing, Suite 305Livingston, NJ 07039-5672 · (973) 322-9801 · Fax (973) 322-9807

Phone(973) 322-9801

Fax(973) 322-9807

Sole ProprietorNo

Enumeration DateJune 18, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1659316230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in NJ · 25MA07992400

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

94 OLD SHORT HILLS RD, Livingston, NJ 07039

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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.

JACOB JOSEPH FERGUSON MD

Anesthesiology

94 OLD SHORT HILLS RD
LIVINGSTON, NJ 07039

Essex County (973) 322-5000

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

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 Marc Uknis's NPI number?

The NPI number for Marc Uknis is 1659316230. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Where is Marc Uknis located?

Marc Uknis practices at 94 Old Short Hills Rd East Wing, Suite 305, Livingston, NJ 07039. The listed phone number is (973) 322-9801.

What is Marc Uknis's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Marc Uknis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.