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Obstetrics/Gynecology

Nicole Machac, MD

Works at hospitals in Brooklyn, NY · New York

Summary

Nicole Machac, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Brooklyn, NY. NPI 1811422975. 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 Nicole Machac, 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
9Years since medical school (graduated 2017)
FemaleGender (as listed)
University Hospital of Brooklyn SUNY Downstate Health Sciences UniversGroup practice

Quick answers

Which hospitals does Nicole Machac work at?
Medicare's official clinician data lists Nicole Machac at 1 hospital: Suny/Downstate University Hospital of Brooklyn. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nicole Machac see patients?
Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
What is Nicole Machac's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Nicole Machac accept Medicare assignment?
Yes. Medicare's clinician data says Nicole Machac 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 Nicole Machac?
(718) 270-1000, as listed in official Medicare / NPI Registry data.
What is Nicole Machac's NPI number?
1811422975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nicole Machac works

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

Group practices

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

  • University Hospital of Brooklyn SUNY Downstate Health Sciences Univers92 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in Brooklyn

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

All OB-GYNs in Brooklyn →

Clinician information

CredentialMD
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811422975
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