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

Obstetrics/Gynecology

Olivia M. Grubman, MD

Sees patients in Valhalla, NY · New York

Summary

Olivia M. Grubman, MD (Obstetrics/Gynecology) is enrolled with Medicare at 2 practice locations in Valhalla, NY. NPI 1619408705. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Olivia M. Grubman, 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)
University Of Miami, Lm Miller School Of MedicineMedical school
FemaleGender (as listed)
Westchester Medical Center Advanced Physician Services PCGroup practice

Quick answers

Where does Olivia M. Grubman see patients?
Medicare's clinician data lists 2 practice locations, including Valhalla, NY. Call before your visit to confirm the address.
What is Olivia M. Grubman's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Olivia M. Grubman accept Medicare assignment?
Yes. Medicare's clinician data says Olivia M. Grubman 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 Olivia M. Grubman?
(914) 493-6940, as listed in official Medicare / NPI Registry data.
What is Olivia M. Grubman's NPI number?
1619408705. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Olivia M. Grubman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Olivia M. Grubman as a member of this group (CMS data updated 2026-10-02).

  • Westchester Medical Center Advanced Physician Services PC897 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in Valhalla

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

All OB-GYNs in Valhalla →

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619408705
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians