Catherine Joan Tsang, OD
Optometrist · Auburn, WA
Catherine Joan Tsang, OD is an optometrist with a practice address in Auburn, Washington, and NPI 1316591720, issued on Jul 25, 2019. Check the license (Washington 61100148, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Joan Tsang
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 61100148 WA
Self-reported in NPPES; status is on the state search - Practice location
- 7084 Lakeland Hills Way SE Ste 101, Auburn, WA 98092
- Phone
- (253) 351-0092
- Enumerated
- Jul 25, 2019
- Record last updated
- May 29, 2026
- Fax
- (253) 351-0094
- Medicare enrollment
- Enrolled (PECOS I20210908000467); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2019
- Entity
- Type 1 · individual
Verify Catherine Joan Tsang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 61100148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average optometrist in 2024
20 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost11 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.
Industry payments in 2024: $777.06
14 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Issaquah Eyeworks LLCIssaquah, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Washington
There are 1,641 optometrist records in Washington.
Other optometrist records in Washington
- Jenni Aaseby, O.D.Shelton, WA1720133374
- Meagan-Rhose Abanto, ODEverett, WA1457027880
- Jabeen Abdulla, O.D.Tacoma, WA1629304217
- James Abel, ODRenton, WA1255945390
- Christina Abercrombie, ODKent, WA1346906252
- Ashley Abiva, ODSeattle, WA1902572449
- Kenneth Absalonson, ODSpokane, WA1811206998
- Nour Abu-Haltam, ODVancouver, WA1194602037
- Peter Adachi, ODSeattle, WA1811040058
- Mark Aginsky, O.D.Bellingham, WA1730169285
Common questions
What is Catherine Joan Tsang, OD's NPI number?
Catherine Joan Tsang, OD's National Provider Identifier (NPI) is 1316591720, issued on Jul 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Joan Tsang, OD located?
The NPPES record lists a practice address at 7084 Lakeland Hills Way SE Ste 101, Auburn, WA, 98092. Phone: (253) 351-0092. Providers update this record themselves, so call before visiting.
How can I verify Catherine Joan Tsang, OD's license?
NPPES lists Washington license number 61100148, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Joan Tsang, OD prescribe under Medicare Part D?
In 2024, Catherine Joan Tsang, OD had 20 Medicare Part D claims; the average among optometrist prescribers was 277. 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.