DR. DAVID MARCUS MD
NPI 1164730164
Emergency Medicine in Rahway, NJ
About Dr. David Marcus Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID MARCUS MD (NPI 1164730164) is an individual emergency medicine provider in Rahway, New Jersey, licensed in New Jersey (25MA11463200) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital At Rahway, and is a graduate of State University Of New York Downstate Medical Center (2009).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Marcus Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show David Marcus reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 356 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Robert Wood Johnson University Hospital At Rahway
Acute Care Hospitals · Rahway, NJWynn Hospital
Acute Care Hospitals · Utica, NYNorthwell Hospital Glen Cove
Acute Care Hospitals · Glen Cove, NYRome Memorial Hospital, Inc
Acute Care Hospitals · Rome, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 David Marcus's NPI number?
The NPI number for David Marcus is 1164730164. It was assigned to this individual provider in the NPPES registry on September 24, 2010.
Where is David Marcus located?
David Marcus practices at 865 Stone St, Rahway, NJ 07065. The listed phone number is (732) 381-4200.
What is David Marcus's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is David Marcus enrolled in Medicare?
Yes. David Marcus is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Marcus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Marcus reassigns Medicare benefits to 4 organizations: Rwjbh Observation Associates LLC (Livingston, NJ), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ), North Shore - Lij Medical PC (New Hyde Park, NY) and Emergency Physician Services Of New York, P.C. (Poughkeepsie, NY). Each 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 David Marcus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Marcus affiliated with any hospitals?
According to CMS data, David Marcus is affiliated with Robert Wood Johnson University Hospital At Rahway, Wynn Hospital, Northwell Hospital Glen Cove and Rome Memorial Hospital, Inc.
When was this NPI record last updated?
The NPPES record for David Marcus was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Dr. David Marcus, MD · NPI 1164730164
Emergency Medicine physician in Rahway, New Jersey. Individual provider, active in the CMS NPPES registry since September 24, 2010.
## Identity
- **NPI:** 1164730164 (Entity type: Individual)
- **Enumerated:** September 24, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 25MA11463200 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 865 STONE ST, Rahway, NJ 07065-2742
- **Phone:** (732) 381-4200 · **Fax:** (732) 923-2272
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY); Emergency Physician Services Of New York, P.C. (NPI 1093759847, Poughkeepsie, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 2009
## Record status
- **NPPES last updated:** April 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164730164) · Data from the CMS NPPES public registry.