Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pediatric Medicine

Alexander Marcus, MD

Works at hospitals in Perth Amboy, NJ · New Jersey

Summary

Alexander Marcus, MD (Pediatric Medicine) is listed by Medicare at 1 hospital in Perth Amboy, NJ. NPI 1982695102. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander Marcus, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Pediatric MedicinePrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
State University Of New York At Buffalo School Of MedicineMedical school
MaleGender (as listed)
Advocare, LLCGroup practice

Quick answers

Which hospitals does Alexander Marcus work at?
Medicare's official clinician data lists Alexander Marcus at 1 hospital: Raritan Bay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander Marcus see patients?
Medicare's clinician data lists 1 practice location in Bernardsville, NJ. Call before your visit to confirm the address.
What is Alexander Marcus's specialty?
Medicare lists Pediatric Medicine as the primary specialty.
Does Alexander Marcus accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Marcus accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Alexander Marcus?
(908) 766-0034, as listed in official Medicare / NPI Registry data.
What is Alexander Marcus's NPI number?
1982695102. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Marcus works

Medicare's Facility Affiliation Data lists Alexander Marcus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Alexander Marcus is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alexander Marcus as a member of this group (CMS data updated 2026-10-02).

  • Advocare, LLC386 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in New Jersey →

Other pediatricians in Bernardsville

Clinicians with the same Medicare primary specialty in Bernardsville, NJ — not a recommendation.

All pediatricians in Bernardsville →

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982695102
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians