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

Gastroenterology

Mari Ikeguchi, MD

Works at hospitals in New York, NY · Honolulu, HI · New York, Hawaii

Summary

Mari Ikeguchi, MD (Gastroenterology) is listed by Medicare at 3 hospitals in New York, NY and Honolulu, HI. NPI 1962589218. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mari Ikeguchi, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
27Years since medical school (graduated 1999)
Columbia University College Of Physicians And SurgeonsMedical school
FemaleGender (as listed)
Physician Affiliate Group of New York PCGroup practice (+1 more)

Quick answers

Which hospitals does Mari Ikeguchi work at?
Medicare's official clinician data lists Mari Ikeguchi at 3 hospitals: Metropolitan Hospital Center, Straub Clinic and Hospital and The Queens Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mari Ikeguchi see patients?
Medicare's clinician data lists 3 practice locations, including New York, NY and Honolulu, HI. Call before your visit to confirm the address.
What is Mari Ikeguchi's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Mari Ikeguchi accept Medicare assignment?
Yes. Medicare's clinician data says Mari Ikeguchi 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 Mari Ikeguchi offer telehealth?
Medicare's clinician data says Mari Ikeguchi offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mari Ikeguchi?
(212) 939-1840, as listed in official Medicare / NPI Registry data.
What is Mari Ikeguchi's NPI number?
1962589218. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mari Ikeguchi works

Medicare's Facility Affiliation Data lists Mari Ikeguchi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

Group practices

Medicare enrollment lists Mari Ikeguchi as a member of these groups (CMS data updated 2026-10-02).

  • Physician Affiliate Group of New York PC1,225 clinicians in the group
  • Straub Clinic and Hospital419 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in New York

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

All gastroenterologists in New York →

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year1999
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962589218
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians