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

Family Practice

Marietta Ongay, MD

Sees patients in Saint Cloud, FL · Florida

Summary

Dr. Marietta Ongay, MD is a family doctor at 3100 17th St, Suite B, Saint Cloud, FL 34769. Phone: (407) 624-5896. Accepts Medicare assignment. NPI 1427007145. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 3100 17th St, Suite B, Saint Cloud, FL 34769 · Directions
  • Phone: (407) 624‑5896
  • Medicare: Accepts Medicare assignment
  • Group practice: Florida Medical Associates LLC
  • Medical school: graduated 1988 (38 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Marietta Ongay, 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 Marietta Ongay accept Medicare assignment?
Yes. Medicare's clinician data says Marietta Ongay 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 Marietta Ongay's NPI number?
1427007145. 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 Marietta Ongay is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Florida Medical Associates LLC171 clinicians in the group

Specialties

Find other Family Practice doctors in Florida →

Other family doctors in Saint Cloud

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

All family doctors in Saint Cloud →

Other clinicians in Florida Medical Associates LLC

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

Clinician information

CredentialMD
Graduation year1988 (38 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1427007145
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 October 2, 2026, retrieved October 29, 2026
  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