Onki Cheung, MD
NPI 1588731392 · Gastroenterology Physician · Rockwall, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Onki Cheung, MD is a Gastroenterology Physician provider in Rockwall, TX (NPI 1588731392).
Provider details
- NPI number
- 1588731392
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A82322 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 33 | 31 |
| Omeprazole | 27 | 13 |
| Mesalamine | 22 | — |
| Spironolactone | 19 | — |
| Furosemide | 17 | — |
| Rifaximinbrand: Xifaxan | 14 | — |
| Sucralfate | 14 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2024-04-02
- Certified
- 2024-04-02
Frequently asked questions
- What is Onki Cheung's NPI number?
- Onki Cheung's National Provider Identifier (NPI) is 1588731392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Onki Cheung's specialty?
- Onki Cheung is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Onki Cheung located?
- Onki Cheung's practice location on file with NPPES is 3144 Horizon Rd Ste 210, Rockwall, TX 75032-7047.
- What is Onki Cheung's phone number?
- The practice phone number listed in the NPPES registry for Onki Cheung is (972) 771-2222.
- Does Onki Cheung accept Medicare?
- Onki Cheung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Onki Cheung's NPI active?
- Yes — Onki Cheung's NPI (1588731392) is active in the NPPES registry as of the last update on 2024-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.