Dr. Cecilia Ong, MD
- Medicare services, 2024
- 44
- Medicare patients, 2026
- 72
- Part D claims, 2026
- 20
- Hospital affiliations
- 5
- Industry payments
- $856
- Practice address
- 120 North Oak St, Hinsdale, IL 60521
- Practice phone
- Call (630) 856-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Cecilia Ong is a general surgeon in Hinsdale, Illinois
Dr. Ong practices at UChicago Medicine AdventHealth Hinsdale in Hinsdale, Illinois, part of The University of Chicago.
Dr. Ong's NPI, 1013336734, was assigned on April 9, 2014. Dr. Ong graduated from Duke University School of Medicine in 2014. Dr. Ong holds Illinois license 036.156949.
- NPI
- 1013336734NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628427234
- NPI enumeration date
- April 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (630) 856-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cecilia Ong practices at UChicago Medicine AdventHealth Hinsdale in Hinsdale, Illinois
Dr. Ong's primary practice is UChicago Medicine AdventHealth Hinsdale, at 120 North Oak St, Hinsdale, IL 60521 in Du Page County. The practice phone is (630) 856-9000.
- UChicago Medicine AdventHealth Hinsdale120 North Oak St, Hinsdale, IL 60521 · Du Page CountyPhone(630) 856-9000
Source: Dmand AI Affiliation Data
Dr. Cecilia Ong is affiliated with 5 sites of care and 4 medical groups
Dr. Ong's primary practice is UChicago Medicine AdventHealth Hinsdale in Hinsdale, Illinois, part of The University of Chicago. Dr. Ong is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians (University of Chicago Physicians Group). Dmand AI also links Dr. Ong to 3 more hospitals and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cecilia Ong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ong practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UChicago Medicine AdventHealth Hinsdale | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cecilia Ong is one of 1,217 general surgeons in Illinois
Surgery is Dr. Ong's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ong is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Ong
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Cecilia Ong billed Medicare for 44 services in 2024
CMS data shows 44 Medicare services from Dr. Ong across 2 procedure codes in 2024, for 72 Medicare patients. Medicare paid $4,942 for them.
Where Dr. Ong's Medicare services took place, 2024
- In an office1432%
- In a facility3068%
Dr. Ong compared with the Illinois median for general surgeons, 2024
- Dr. Ong
- Illinois median
- Medicare services
- 44vs 19477% below
- Medicare patients
- 72vs 14450% below
- Part D claims
- 13vs 2854% below
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Ong's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ong and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cecilia Ong treated 72 Medicare patients in 2026, average age 75
CMS counts 72 Medicare patients who saw Dr. Ong in 2026. The largest group is 75 to 84, with 30 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.01, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ong's median patient age at 74, with 53% women.
Dr. Ong's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Dr. Ong's Medicare patients by sex, 2026
- Women3447%
- Men3853%
Chronic conditions among Dr. Ong's Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes43%
- Ischemic heart disease43%
- Cancer38%
- Chronic kidney disease36%
- Atrial fibrillation29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Cecilia Ong wrote 20 Medicare Part D claims in 2026
In 2026, Dr. Ong wrote 20 Medicare Part D claims for 13 patients. 90% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $1,988 in total drug cost. In 2021, CMS named 14 claims across 1 drug.
Dr. Ong's Part D claims by kind of drug, 2026
- Generic18 claims90%
- Brand-name and other2 claims10%
Dr. Ong's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 142023: 137%
Drugs named by CMS: 1 in 2023, 1 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
Dr. Cecilia Ong offers telehealth to Medicare patients
Dr. Ong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ong as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Cecilia Ong received $856 in industry payments from 2023 to 2025
CMS Open Payments shows 7 general payments to Dr. Ong from 6 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $237.
General payments to Dr. Ong by program year, 2023 to 2025
Companies that paid Dr. Ong the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Cecilia Ong graduated from Duke University School of Medicine
Dr. Ong graduated from Duke University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Cecilia Ong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Cecilia Ong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Cecilia Ong's NPI number?
Dr. Cecilia Ong's NPI number is 1013336734. It was assigned on April 9, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Cecilia Ong?
Dr. Cecilia Ong is a general surgeon in Hinsdale, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Cecilia Ong practice?
Dr. Ong practices at 120 North Oak St, Hinsdale, IL 60521. Dr. Ong's primary practice is UChicago Medicine AdventHealth Hinsdale in Hinsdale, Illinois, part of The University of Chicago. Dmand AI also links Dr. Ong to 3 hospitals and 3 medical groups, and a free account names each one.
What is Dr. Cecilia Ong's office phone number?
The practice phone on file for Dr. Ong is (630) 856-9000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Cecilia Ong's email address?
Dmand AI checks professional and personal email addresses for Dr. Ong through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Cecilia Ong's medical license number?
Dr. Ong holds Illinois license 036.156949.
Which hospitals is Dr. Cecilia Ong affiliated with?
Dr. Ong practices at UChicago Medicine AdventHealth Hinsdale in Hinsdale, Illinois. Dr. Ong is also affiliated with University of Chicago Medical Center. Dmand AI links Dr. Ong to 3 more hospitals, named with a free account.
What medical group is Dr. Cecilia Ong part of?
Dr. Ong is linked to UChicago Medicine Physicians (University of Chicago Physicians Group). Dmand AI links Dr. Ong to 3 more medical groups, named with a free account.
Who does Dr. Cecilia Ong practice with?
Dmand AI links 371 HCPs to Dr. Ong's primary medical group, 5 of them general surgeons. A free account lists them, with verified contacts.
Does Dr. Cecilia Ong accept Medicare?
Yes. CMS data shows Dr. Ong billed Medicare for 44 services in 2024, and Dr. Ong accepts Medicare assignment.
Show 8 more questionsShow fewer questions
Does Dr. Cecilia Ong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ong as offering telehealth services.
How many Medicare patients does Dr. Cecilia Ong see?
CMS counts 72 Medicare patients who saw Dr. Ong in 2026, with an average age of 75.
What services does Dr. Cecilia Ong bill to Medicare?
In 2024, Dr. Ong's most billed Medicare services were office visit, new patient (99205) and hospital inpatient care (99231).
Where did Dr. Cecilia Ong go to medical school?
Dr. Ong graduated from Duke University School of Medicine in 2014.
What drugs does Dr. Cecilia Ong prescribe most?
In 2023 Medicare Part D data, Dr. Ong's most prescribed drugs by claims were Enoxaparin Sodium.
Has Dr. Cecilia Ong received payments from drug or device companies?
CMS Open Payments shows $856 in general payments to Dr. Ong from 6 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Cecilia Ong been practicing?
Dr. Ong graduated from medical school in 2014, 12 years ago.
What EHR does Dr. Cecilia Ong's practice use?
Dmand AI tracks the EHR system at UChicago Medicine AdventHealth Hinsdale and at 4 more sites and 3 medical groups. The vendor and product are available with a free Dmand AI account.
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