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Obstetrics/Gynecology

Valerie S. O'Besso, MD

Works at hospitals in Brooklyn, NY · New York

Summary

Dr. Valerie S. O'Besso, MD is an OB-GYN at 1616 A Voorhies Ave, Brooklyn, NY 11235. Phone: (718) 283-8225. Accepts Medicare assignment. NPI 1346869849. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1616 A Voorhies Ave, Brooklyn, NY 11235 · Directions (1 more location)
  • Phone: (718) 283‑8225
  • Medicare: Accepts Medicare assignment
  • Hospital: Maimonides Medical Center
  • Group practice: MMC Ob/Gyn Faculty Practice Plan
  • Medical school: Rutgers New Jersey Medical School · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Valerie S. O'Besso, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Valerie S. O'Besso accept Medicare assignment?
Yes. Medicare's clinician data says Valerie S. O'Besso accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Valerie S. O'Besso's NPI number?
1346869849. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Valerie S. O'Besso works

Medicare's Facility Affiliation Data lists Valerie S. O'Besso at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Valerie S. O'Besso is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Valerie S. O'Besso as a member of this group (CMS data updated October 2, 2026).

  • MMC Ob/Gyn Faculty Practice Plan32 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 →

Other clinicians in MMC Ob/Gyn Faculty Practice Plan

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346869849
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians