Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Steven Matthew Marcus, MD

Pediatric Medical Toxicology Physician in Newark, NJ · enumerated 2006 · practices at University of Medicine and Densitry.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1316011588

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Steven Matthew Marcus

Credential MD

Sex Male

Practice address 65 Bergen St, 4th Floor, Newark, NJ, 07107

Phone (973) 972-9280

Fax (973) 972-2679

Enumeration date Nov 20, 2006

Last updated in NPPES Aug 18, 2009

Taxonomy & licenses

2080T0002X Pediatric Medical Toxicology Physician Allopathic & Osteopathic Physicians · License 25MA02603300 (NJ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0362701	Medicaid	NJ	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Steven Marcus?

The National Provider Identifier (NPI) for Steven Marcus is 1316011588, a Type 1 (individual) record in the CMS NPPES registry.

Where does Steven Marcus practice?

The practice location on file with NPPES is in Newark, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Elaine Diegmann Advanced Practice Midwife · Newark, NJ NPI 1407817166 Lawrence Budnick Public Health & General Preventive Medicine Physician · Newark, NJ NPI 1801812136 Daria Napierkowski Adult Health Nurse Practitioner · Newark, NJ NPI 1841362126 Julia Guzman Pediatric Occupational Therapist · Newark, NJ NPI 1982767851 Lynn Parker Adult Health Nurse Practitioner · Newark, NJ NPI 1477604205 Susan Salmond Registered Nurse · Newark, NJ NPI 1235283318 Heather Jordan Addiction (Substance Use Disorder) Counselor · Newark, NJ NPI 1861546202 Patricia Hindin Advanced Practice Midwife · Newark, NJ NPI 1770638595

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-18.