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Family Practice

Gretchen L. Mockler, MD

Works at hospitals in New York, NY · Stony Brook, NY · New York

Summary

Gretchen L. Mockler, MD (Family Practice) is listed by Medicare at 3 hospitals in New York, NY and Stony Brook, NY. NPI 1164525457. 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 Gretchen L. Mockler, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
24Years since medical school (graduated 2002)
Js Weill Medical College, Cornell UniversityMedical school
FemaleGender (as listed)
Weill Medical College of CornellGroup practice

Quick answers

Which hospitals does Gretchen L. Mockler work at?
Medicare's official clinician data lists Gretchen L. Mockler at 3 hospitals: Hospital for Special Surgery, New York-Presbyterian Hospital and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gretchen L. Mockler see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Gretchen L. Mockler's specialty?
Medicare lists Family Practice as the primary specialty.
Does Gretchen L. Mockler accept Medicare assignment?
Yes. Medicare's clinician data says Gretchen L. Mockler 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 Gretchen L. Mockler offer telehealth?
Medicare's clinician data says Gretchen L. Mockler offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gretchen L. Mockler?
(212) 879-7777, as listed in official Medicare / NPI Registry data.
What is Gretchen L. Mockler's NPI number?
1164525457. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gretchen L. Mockler works

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

Group practices

Medicare enrollment lists Gretchen L. Mockler as a member of this group (CMS data updated 2026-10-02).

  • Weill Medical College of Cornell2,051 clinicians in the group

Specialties

Find other Family Practice doctors in New York →

Other family doctors in New York

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

All family doctors in New York →

Clinician information

CredentialMD
Medical schoolJs Weill Medical College, Cornell University
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1164525457
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