Quick answers
- Where does Robert Ong see patients?
- Medicare's clinician data lists 6 practice locations, including Summerfield, FL, Lady Lake, FL and Winter Park, FL. Call before your visit to confirm the address.
- What is Robert Ong's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Robert Ong accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Ong 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 Robert Ong?
- (352) 245-7427, as listed in official Medicare / NPI Registry data.
- What is Robert Ong's NPI number?
- 1396729760. 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 Robert Ong is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 10900 SE 174th Place RdSummerfield, FL 34491 (352) 245‑7427
- 13945 N US Hwy 441Lady Lake, FL 32159 (352) 561‑2900
- 1693 Lee Rd, Suite AWinter Park, FL 32789 (407) 287‑4300
- 1878 Mayo DrTavares, FL 32778 (352) 508‑5401
- 201 W Guava StLady Lake, FL 32159 (954) 939‑5000
Group practices
Medicare enrollment lists Robert Ong as a member of these groups (CMS data updated 2026-10-02).
- Anesthesia Dynamics LLC879 clinicians in the group
- Tenet Florida Physician Services LLC246 clinicians in the group
- St Lucie Anesthesia Associates LLC76 clinicians in the group
- Fpra Anesthesia Services LLC10 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Summerfield
Clinicians with the same Medicare primary specialty in Summerfield, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396729760 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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