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

General Surgery

Cecilia Ong, MD

Works at hospitals in Harvey, IL · Chicago, IL · Hinsdale, IL … · Illinois

Summary

Cecilia Ong, MD (General Surgery) is listed by Medicare at 4 hospitals in Harvey, IL, Chicago, IL and Hinsdale, IL and other places. NPI 1013336734. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Cecilia Ong, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General SurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
12Years since medical school (graduated 2014)
Duke University School Of MedicineMedical school
FemaleGender (as listed)
University of ChicagoGroup practice (+3 more)

Quick answers

Which hospitals does Cecilia Ong work at?
Medicare's official clinician data lists Cecilia Ong at 4 hospitals: Ingalls Memorial Hospital, The University of Chicago Medical Center, UChicago Medicine AdventHealth Hinsdale and UChicago Medicine AdventHealth La Grange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Cecilia Ong see patients?
Medicare's clinician data lists 5 practice locations, including Hinsdale, IL, Downers Grove, IL and Bolingbrook, IL. Call before your visit to confirm the address.
What is Cecilia Ong's specialty?
Medicare lists General Surgery as the primary specialty.
Does Cecilia Ong accept Medicare assignment?
Yes. Medicare's clinician data says Cecilia 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.
Does Cecilia Ong offer telehealth?
Medicare's clinician data says Cecilia Ong offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Cecilia Ong?
(630) 275-5900, as listed in official Medicare / NPI Registry data.
What is Cecilia Ong's NPI number?
1013336734. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Cecilia Ong works

Medicare's Facility Affiliation Data lists Cecilia Ong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Cecilia Ong is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Cecilia Ong as a member of these groups (CMS data updated 2026-10-02).

  • University of Chicago1,712 clinicians in the group
  • The University of Chicago Medical Center915 clinicians in the group
  • Adventist Health Partners, Inc.255 clinicians in the group
  • Ahp Specialty Care NFP31 clinicians in the group

Specialties

Find other General Surgery doctors in Illinois →

Other general surgeons in Hinsdale

Clinicians with the same Medicare primary specialty in Hinsdale, IL — not a recommendation.

All general surgeons in Hinsdale →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1013336734
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians