Based in Chicago, IL, Cecilia Ong, MD is listed in the NPI registry under general surgery. Cecilia graduated from Duke University School of Medicine in 2014. Cecilia is also listed as specialising in student in an organized health care education program and surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Ong is a general surgeon in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Dr. Ong is listed at 5841 S. MARYLAND AVE MC 1052 DEPT OF GME ROOM J-141, Chicago, IL 60637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (773) 702-6760. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ong's National Provider Identifier is 1013336734. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Ong attended Duke University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ong has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ong the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ong. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
5841 S. MARYLAND AVE MC 1052 DEPT OF GME ROOM J-141
Chicago, IL 60637
44 services · 40 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
15 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
15 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.