Physician Profile
Unclaimed ProfileAbout MARCUS
Based in Rahway, NJ, David Marcus, MD is listed in the NPI registry under emergency medicine. David graduated from State University of New York Downstate Medical Center in 2009. David is also listed as specialising in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Marcus's specialty?
Dr. Marcus is an emergency medicine in Rahway, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where can I find Dr. Marcus?
Dr. Marcus is listed at 865 STONE ST, Rahway, NJ 07065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Marcus?
The number on file is (732) 381-4200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Marcus's NPI number?
Dr. Marcus's National Provider Identifier is 1164730164. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Marcus's medical education?
Dr. Marcus attended State University of New York Downstate Medical Center, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marcus been practising?
Dr. Marcus has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Marcus known for?
According to Medicare billing data, Dr. Marcus the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Marcus confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marcus. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (732) 381-4200
- Email not available
Practice Locations
865 STONE ST
Rahway, NJ 07065
Procedures Most Often Billed to Medicare
179 services · 178 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
103 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
48 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
28 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other emergency medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other emergency medicines in Rahway 6
Same specialty, same city.
Trained at State University of New York Downstate Medical Center 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at State University of New York Downstate Medical Center 7
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.