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Internal Medicine

Alexander Merson, MD

Sees patients in Brooklyn, NY · New York

Summary

Alexander Merson, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Brooklyn, NY. NPI 1194755983. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(718) 375‑0392 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander Merson, 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

1Practice location
Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
50Years since medical school (graduated 1976)
MaleGender (as listed)
Mag Medical, PCGroup practice

Quick answers

Where does Alexander Merson see patients?
Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
What is Alexander Merson's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hematology/Oncology.
Does Alexander Merson accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Merson 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.
Does Alexander Merson offer telehealth?
Medicare's clinician data says Alexander Merson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alexander Merson?
(718) 375-0392, as listed in official Medicare / NPI Registry data.
What is Alexander Merson's NPI number?
1194755983. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

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

  • Mag Medical, PC4 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Brooklyn

Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.

All internal medicine doctors in Brooklyn →

Clinician information

CredentialMD
Graduation year1976
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194755983
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians