Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1164730164 Individual Practitioner Male Practitioner

Dr. David Marcus , MD

Emergency Medicine • Rahway, NJ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Marcus, MD is a certified Emergency Medicine practicing in Rahway, NJ. With approximately 17 years of clinical experience since graduating from State University Of New York Downstate Medical Center in 2009, Dr. Marcus delivers high-quality medical care to the local community at 865 STONE ST.

Dr. Marcus maintains professional affiliations with Rwjbh Emergency Medicine Associates, Llc, Emergency Physician Services Of New York, P.C. and accepts Medicare assignment.

Frequently performed procedures and clinical services include emergency department visit for life threatening or functioning severity, emergency department visit with moderate level of medical decision making, critical care, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

865 Stone St

Rahway, NJ 070652742

Telephone 7323814200
Fax 7329232272
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

State University Of New York Downstate Medical Center

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Rahway, NJ

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
17 Yrs -7.7 yrs vs City Avg
City Avg: 24.7 Yrs
State Avg: 22.5 Yrs
Regional Practice Density
10 Specialists

Practicing in Rahway, NJ (1807 Statewide)

Telehealth Adoption Rate
10.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
88.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marcus (17 Years) 17 Yrs
Rahway Specialty Average (24.7 Years) 24.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity
103 102 $1399.17 $168.52
99284 Emergency department visit with moderate level of medical decision making
48 48 $965.38 $114.93
99291 Critical care, first 30-74 minutes
28 28 $1890.96 $208.15

Medical Specialties & State Licenses

CMS Verified: 2025-04-07
Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License NJ 25MA11463200

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.

Emergency Medicine

NUCC Taxonomy Code: 207P00000X

State License NY 269132

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License NY 269132

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Rwjbh Emergency Medicine Associates, Llc

865 Stone St, Rahway, NJ 070652742

Phone: 7323814200

Rwjbh Emergency Medicine Associates, Llc

225 Williamson St, Elizabeth, NJ 072023625

Phone: 9089945422

Emergency Physician Services Of New York, P.c.

2209 Genesee St, Utica, NY 135015930

Phone: 3157988100

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Basil Adams , PA

Physician Assistant

NPI 1003500778

Physician Assistant

Dr. Denis Kapkov , MD

Internal Medicine

NPI 1043466022

Doctor of Medicine (M.D.)

NPI 1043779945

Doctor of Medicine (M.D.)

Dr. Sandra Sicular , MD

Emergency Medicine

NPI 1053622621

Doctor of Medicine (M.D.)

NPI 1053812370

Doctor of Medicine (M.D.)

Collette Ott , PA-C, MPH

Physician Assistant

NPI 1063747673

Physician Assistant (Certified), Master of Public Health

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location April 07, 2025

Registered at 865 STONE ST, RAHWAY, NJ 070652742 (Tel: 7323814200)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 07, 2025

Emergency Medicine (License #269132 in NY)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 03, 2024

Internal Medicine (License #269132 in NY)

NPI Profile Active July 20, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location July 20, 2016

Registered at 27005 76TH AVE, DEPARTMENT OF EMERGENCY MEDICINE, NEW HYDE PARK, NY 110401402 (Tel: 7184707501)

📍
Updated Business Mailing Address July 20, 2016

Registered at 27005 76TH AVE, DEPARTMENT OF EMERGENCY MEDICINE, NEW HYDE PARK, NY 110401402 (Tel: 7184707501)

👤
Provider Name / Credentials Updated July 20, 2016

Recorded as DAVID MARCUS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 20, 2016

Emergency Medicine (License #269132 in NY)

🟢
Initial NPI Registration & Enumeration September 24, 2010

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1164730164
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 24, 2010
Last Update: April 07, 2025
Sole Proprietor: No

Mailing Address

27005 76th Ave, Department Of Emergency Medicine

New Hyde Park, NY 110401402

Phone: 7184707501

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.