Individual Healthcare Provider
Mark A Merlin, DO
Provider's NPPES record last updated: January 16, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1093725822
- Primary Specialty
- Emergency Medicine
- Practice Location
- East Hanover, New Jersey
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 20, 2026, 3:22 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Emergency Medicine
Allopathic & Osteopathic Physicians
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Taxonomy code 207P00000X
Provider-Reported License Information
- Emergency Medicine (New Jersey)
- 25MB06607500
- Emergency Medicine (New York)
- 282169
- Emergency Medicine (Pennsylvania)
- OS020981
- Emergency Medicine (New Hampshire)
- 20890
- Emergency Medicine (California)
- 18612
- Emergency Medicine (New Jersey)
- MB066075
Practice Locations
Practice Location
399 Route 10
East Hanover, New Jersey 07936
Phone: (908) 577-9808
Additional Practice Location
70 S Orange Ave Ste 235
Livingston, New Jersey 07039-4915
Phone: (973) 607-4911
Fax: (973) 607-4911
Additional Practice Location
1 Robert Wood Johnson Pl
Department of Emergency Medicine
New Brunswick, New Jersey 08901-1928
Phone: (732) 828-3000
Additional Practice Location
9961 Baldwin Pl
El Monte, California 91731-2203
Phone: (813) 416-6438
Fax: (877) 282-9624
Additional Practice Location
55 Lane Rd Ste 300
Fairfield, New Jersey 07004-1015
Phone: (866) 349-4230
Fax: (877) 282-9624
Additional Practice Location
154 Hansen Access Rd
King of Prussia, Pennsylvania 19406-2404
Phone: (866) 349-4230
Fax: (877) 282-9624
Additional Practice Location
35 W 35th St Fl 6
New York, New York 10001-2205
Phone: (866) 349-4230
Fax: (877) 282-9624
Record Information
- Enumeration Date
- August 8, 2006
- Provider's NPPES Record Last Updated
- January 16, 2026
- Certification Date
- January 16, 2026
- NPISignal NPPES Dataset
- August 2026
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