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

Emergency Medicine

Gregory Han

Sees patients in New York, NY · New York

Summary

Gregory Han (Emergency Medicine) is enrolled with Medicare at 1 practice location in New York, NY. NPI 1528703378. 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 Gregory Han, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
4Years since medical school (graduated 2022)
MaleGender (as listed)
New York UniversityGroup practice

Quick answers

Where does Gregory Han see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Gregory Han's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Gregory Han accept Medicare assignment?
Yes. Medicare's clinician data says Gregory Han 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 Gregory Han offer telehealth?
Medicare's clinician data says Gregory Han offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gregory Han?
(212) 263-9700, as listed in official Medicare / NPI Registry data.
What is Gregory Han's NPI number?
1528703378. 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 Gregory Han is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • New York University6,134 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in New York

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

All emergency medicine doctors in New York →

Clinician information

Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1528703378
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