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Obstetrics/Gynecology

Mari Su, MD

Works at hospitals in New York, NY · New York

Summary

Mari Su, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in New York, NY. NPI 1053337618. 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 Su, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
State University Of New York Downstate Medical CenterMedical school
FemaleGender (as listed)
Trustees of Columbia University in the City of New YorkGroup practice

Quick answers

Which hospitals does Mari Su work at?
Medicare's official clinician data lists Mari Su at 1 hospital: New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mari Su see patients?
Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
What is Mari Su's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Mari Su accept Medicare assignment?
Yes. Medicare's clinician data says Mari Su 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 Mari Su?
(212) 326-8426, as listed in official Medicare / NPI Registry data.
What is Mari Su's NPI number?
1053337618. 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 Su works

Medicare's Facility Affiliation Data lists Mari Su 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 Su is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Trustees of Columbia University in the City of New York2,296 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in New York

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

All OB-GYNs in New York →

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1998
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053337618
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