Dr. Onki Cheung, MD
- Part D claims, 2024
- 289
- Hospital affiliations
- 1
- Industry payments
- $1,100
- Medical groups
- 2
- Insurance carriers
- 21
- Practice address
- 3144 Horizon Road Ste 120, Rockwall, TX 75032
- Practice phone
- Call (972) 845-1469
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Texas Health Surgery Center Rockwall
Surgery Center - Medicare-Certified · Rockwall, Texas
Find Dr. Cheung'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. Onki Cheung is a gastroenterologist in Rockwall, Texas
Dr. Cheung practices at Texas Health Surgery Center Rockwall in Rockwall, Texas.
Dr. Cheung's NPI, 1588731392, was assigned on November 29, 2006. Dr. Cheung graduated from SUNY Upstate Medical University in 1998. Dr. Cheung holds Texas license U2807.
- NPI
- 1588731392NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244290161
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (972) 845-1469
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Onki Cheung practices at Texas Health Surgery Center Rockwall in Rockwall, Texas
Dr. Cheung's primary practice is Texas Health Surgery Center Rockwall, at 3144 Horizon Road Ste 120, Rockwall, TX 75032. The practice phone is (972) 845-1469.
- Texas Health Surgery Center Rockwall3144 Horizon Road Ste 120, Rockwall, TX 75032Phone(972) 845-1469
Source: Dmand AI Affiliation Data
Dr. Onki Cheung is affiliated with 3 sites of care and 2 medical groups
Dr. Cheung's primary practice is Texas Health Surgery Center Rockwall in Rockwall, Texas. Dr. Cheung is also affiliated with Texas Health Hospital Rockwall. The medical group on file is Texas Digestive Disease Consultants. Dmand AI also links Dr. Cheung to 1 more group practice or clinic and 1 medical group, 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. Onki Cheung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cheung practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Texas Health Surgery Center Rockwall | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Onki Cheung is one of 1,341 gastroenterologists in Texas
Gastroenterology is Dr. Cheung's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Cheung is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Cheung's licenses on file in 4 states: Texas, California, New Jersey and Pennsylvania.
Specialties and state licenses
- Gastroenterology, TexasPrimary
- California license
- New Jersey license
- Pennsylvania license
Gastroenterologists near Dr. Cheung
Counts of gastroenterologists 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. Onki Cheung's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Cheung's median patient age at 55, with 69% women.
Dr. Cheung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women69%
- Men30%
Source: Dmand AI Patient Panel Data
Dr. Onki Cheung wrote 289 Medicare Part D claims in 2024
In 2024, Dr. Cheung wrote 289 Medicare Part D claims for 108 patients. 82% of them were for generic drugs. CMS names the drug for 157 of them, across 8 drugs with 11 or more claims each, at $64,462 in total drug cost. In 2023, CMS named 469 claims across 12 drugs.
Dr. Cheung's Part D claims by kind of drug, 2024
- Generic237 claims82%
- Brand-name52 claims18%
Dr. Cheung's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Cheung's Part D claims, 2024
- Antibiotics8%24 of 289 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4692024: 15767%
Drugs named by CMS: 8 in 2024, 12 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Onki Cheung ranks in the 65th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Cheung accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 54 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Cheung, more than 65% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Cheung ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 65th percentile54 procedures
- Colonoscopy
- 65th percentile53 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Onki Cheung received $1,100 in industry payments from 2018 to 2025
CMS Open Payments shows 53 general payments to Dr. Cheung from 16 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $219.
General payments to Dr. Cheung by program year, 2018 to 2025
Companies that paid Dr. Cheung the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Onki Cheung graduated from SUNY Upstate Medical University
Dr. Cheung graduated from SUNY Upstate Medical University in 1998.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Onki Cheung accepts plans from 21 insurance carriers
Dr. Cheung is in network with 21 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +13 more carriersWith a free account
Plan types Dr. Cheung accepts, by number of carriers
- PPO12
- HMO11
- Medicare9
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Onki Cheung'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Onki Cheung
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. Onki Cheung's NPI number?
Dr. Onki Cheung's NPI number is 1588731392. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Onki Cheung?
Dr. Onki Cheung is a gastroenterologist in Rockwall, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Onki Cheung practice?
Dr. Cheung practices at 3144 Horizon Road Ste 120, Rockwall, TX 75032. Dr. Cheung's primary practice is Texas Health Surgery Center Rockwall in Rockwall, Texas. Dmand AI also links Dr. Cheung to 1 group practice or clinic and 1 medical group.
What is Dr. Onki Cheung's office phone number?
The practice phone on file for Dr. Cheung is (972) 845-1469.
What is Dr. Onki Cheung's medical license number?
Dr. Cheung holds Texas license U2807, one of the licenses on file in 4 states.
Which states has Dr. Onki Cheung been licensed in?
Dmand AI has state licenses on file for Dr. Cheung in Texas (2023 to 2027), California (2003 to 2027), New Jersey (1999 to 2009) and Pennsylvania (2001 to 2004).
Which hospitals is Dr. Onki Cheung affiliated with?
Dr. Cheung is affiliated with Texas Health Hospital Rockwall.
What medical group is Dr. Onki Cheung part of?
Dr. Cheung is linked to Texas Digestive Disease Consultants. Dmand AI links Dr. Cheung to 1 more medical group.
Does Dr. Onki Cheung accept Medicare?
Yes. CMS lists Dr. Cheung as accepting Medicare assignment.
Is Dr. Onki Cheung board certified?
Yes. Dr. Cheung is board certified in gastroenterology by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
Where did Dr. Onki Cheung go to medical school?
Dr. Cheung graduated from SUNY Upstate Medical University in 1998.
What drugs does Dr. Onki Cheung prescribe most?
In 2024 Medicare Part D data, Dr. Cheung's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Mesalamine.
Has Dr. Onki Cheung received payments from drug or device companies?
CMS Open Payments shows $1,100 in general payments to Dr. Cheung from 16 companies from 2018 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Onki Cheung been practicing?
Dr. Cheung graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Onki Cheung accept?
Dr. Cheung is in network with 21 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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