Zi-On Cheung
Internal Medicine Physician · Vancouver, WA
Zi-On Cheung is an internal medicine physician with a practice address in Vancouver, Washington, and NPI 1730761248, issued on Apr 23, 2021. Check the license (Washington MD61548766, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Zi-On Cheung
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD61548766 WA
Self-reported in NPPES; status is on the state search - Practice location
- 16811 SE Mcgillivray Blvd Ste 101, Vancouver, WA 98683
- Phone
- (360) 215-2589
- Enumerated
- Apr 23, 2021
- Record last updated
- Aug 5, 2024
- Fax
- (360) 253-1781
- Medicare enrollment
- Enrolled (PECOS I20240807004103); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 16811 SE Mcgillivray Blvd Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Fu, DOInternal Medicine Physician1932849320
- Hannah Sipin, PAFamily Medicine Physician1710757620
Verify Zi-On Cheung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61548766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
279 Medicare Part D claims for 77 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium18 claims
- Losartan Potassium12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- PeacehealthVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zi-On Cheung among 3,079 internal medicine physician records in Washington
Zi-On Cheung is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2006 among the 1,852 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
200 internal medicine physician records list a practice address in Vancouver
They are 200 of the 10,772 NPPES records with a practice address in Vancouver, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Vancouver → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jamil Amlani, M.D.Vancouver, WA 986831477179075
- Linh Dao, MDVancouver, WA 986831518997584
- Michael Fu, DOVancouver, WA 986831932849320
- Douglas Johnson, DOVancouver, WA 986831649381740
- David Lee, MDVancouver, WA 986831356305247
- Carol Workman, MDVancouver, WA 986831366490138
- Oleg Zbirun, M.D.Vancouver, WA 986831760635833
- Merlita Cruzat-BlancoVancouver, WA 986821164451993
Common questions
What is Zi-On Cheung's NPI number?
Zi-On Cheung's National Provider Identifier (NPI) is 1730761248, issued on Apr 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Zi-On Cheung located?
The NPPES record lists a practice address at 16811 SE Mcgillivray Blvd Ste 101, Vancouver, WA, 98683. Phone: (360) 215-2589. Providers update this record themselves, so call before visiting.
How can I verify Zi-On Cheung's license?
NPPES lists Washington license number MD61548766, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zi-On Cheung prescribe under Medicare Part D?
In 2024, Zi-On Cheung had 279 Medicare Part D claims for 77 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.