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Internal Medicine

Alexander C. Chan, MD

Sees patients in New York, NY · New York

Summary

Alexander C. Chan, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in New York, NY. NPI 1568427243. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander C. Chan, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
22Years since medical school (graduated 2004)
Icahn School Of Medicine At Mount SinaiMedical school
MaleGender (as listed)

Quick answers

Where does Alexander C. Chan see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Alexander C. Chan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Alexander C. Chan accept Medicare assignment?
Yes. Medicare's clinician data says Alexander C. Chan 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 C. Chan offer telehealth?
Medicare's clinician data says Alexander C. Chan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alexander C. Chan?
(212) 334-3999, as listed in official Medicare / NPI Registry data.
What is Alexander C. Chan's NPI number?
1568427243. 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 C. Chan is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

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

All internal medicine doctors in New York →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1568427243
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