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Obstetrics/Gynecology

Nathalie Castillo, MD

Works at hospitals in Boca Raton, FL · Florida

Summary

Dr. Nathalie Castillo, MD is an OB-GYN at 3663 S Miami Ave, Mercy Hospital, Miami, FL 33133. Phone: (864) 908-3530. Accepts Medicare assignment. NPI 1568491355. 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: 3663 S Miami Ave, Mercy Hospital, Miami, FL 33133 · Directions (1 more location)
  • Phone: (864) 908‑3530
  • Medicare: Accepts Medicare assignment
  • Hospital: Boca Raton Regional Hospital
  • Group practice: Ob Hospitalist Group LLC
  • Medical school: graduated 2002 (24 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Nathalie Castillo, 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 Nathalie Castillo accept Medicare assignment?
Yes. Medicare's clinician data says Nathalie Castillo 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 Nathalie Castillo's NPI number?
1568491355. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nathalie Castillo works

Medicare's Facility Affiliation Data lists Nathalie Castillo 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 Nathalie Castillo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nathalie Castillo as a member of this group (CMS data updated October 2, 2026).

  • Ob Hospitalist Group LLC123 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Florida →

Other OB-GYNs in Miami

Clinicians with the same Medicare primary specialty in Miami, FL — not a recommendation.

All OB-GYNs in Miami →

Other clinicians in Ob Hospitalist Group LLC

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

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568491355
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