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Anesthesiology

Kenneth Flax, MD

Sees patients in New York, NY · New York

Summary

Kenneth Flax, MD (Anesthesiology) is enrolled with Medicare at 2 practice locations in New York, NY. NPI 1215354485. 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 Kenneth Flax, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
Icahn School Of Medicine At Mount SinaiMedical school
MaleGender (as listed)
Icahn School of Medicine at Mount SinaiGroup practice

Quick answers

Where does Kenneth Flax see patients?
Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
What is Kenneth Flax's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Kenneth Flax accept Medicare assignment?
Yes. Medicare's clinician data says Kenneth Flax 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 Kenneth Flax?
(212) 516-8211, as listed in official Medicare / NPI Registry data.
What is Kenneth Flax's NPI number?
1215354485. 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 Kenneth Flax is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Icahn School of Medicine at Mount Sinai176 clinicians in the group

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in New York

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

All anesthesiologists in New York →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215354485
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