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Internal Medicine

Grace Perez-Benzo, MD

Works at hospitals in Greenwich, CT · Connecticut

Summary

Grace Perez-Benzo, MD (Internal Medicine) is listed by Medicare at 1 hospital in Greenwich, CT. NPI 1164051827. 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 Grace Perez-Benzo, 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
6Years since medical school (graduated 2020)
Icahn School Of Medicine At Mount SinaiMedical school
FemaleGender (as listed)
Northeast Medical Group IncGroup practice

Quick answers

Which hospitals does Grace Perez-Benzo work at?
Medicare's official clinician data lists Grace Perez-Benzo at 1 hospital: Greenwich Hospital Association -. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Grace Perez-Benzo see patients?
Medicare's clinician data lists 1 practice location in Greenwich, CT. Call before your visit to confirm the address.
What is Grace Perez-Benzo's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
Does Grace Perez-Benzo accept Medicare assignment?
Yes. Medicare's clinician data says Grace Perez-Benzo 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 Grace Perez-Benzo?
(203) 863-3840, as listed in official Medicare / NPI Registry data.
What is Grace Perez-Benzo's NPI number?
1164051827. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Grace Perez-Benzo works

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

Group practices

Medicare enrollment lists Grace Perez-Benzo as a member of this group (CMS data updated 2026-10-02).

  • Northeast Medical Group Inc1,360 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Greenwich

Clinicians with the same Medicare primary specialty in Greenwich, CT — not a recommendation.

All internal medicine doctors in Greenwich →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164051827
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