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.
- Maimonides Medical CenterBrooklyn, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330194
Practice locations
Addresses where Valerie S. O'Besso is enrolled with Medicare (CMS data updated October 2, 2026).
- 1616 A Voorhies AveBrooklyn, NY 11235 (718) 283‑8225
- 4802 10th AveBrooklyn, NY 11219 (718) 283‑8225
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
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Other clinicians in MMC Ob/Gyn Faculty Practice Plan
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346869849 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians