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Internal Medicine

Ioana Chen, MD

Sees patients in Commack, NY · New York

Summary

Ioana Chen, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Commack, NY. NPI 1760781348. 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 Ioana Chen, 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
22Years since medical school (graduated 2004)
FemaleGender (as listed)
MSKCC Regional NetworkGroup practice

Quick answers

Where does Ioana Chen see patients?
Medicare's clinician data lists 1 practice location in Commack, NY. Call before your visit to confirm the address.
What is Ioana Chen's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Ioana Chen accept Medicare assignment?
Yes. Medicare's clinician data says Ioana Chen 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 Ioana Chen?
(631) 623-4034, as listed in official Medicare / NPI Registry data.
What is Ioana Chen's NPI number?
1760781348. 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 Ioana Chen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • MSKCC Regional Network136 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Commack

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

All internal medicine doctors in Commack →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760781348
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