Elizabeth Y. Chang, O.D.
Corneal and Contact Management Optometrist · Bothell, WA
Elizabeth Y. Chang, O.D. is a corneal and contact management optometrist with a practice address in Bothell, Washington, and NPI 1396896833, issued on Jan 12, 2007. Check the license (Washington OD00003803, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Y. Chang
- Credential
- O.D.
- Primary taxonomy
- Corneal and Contact Management Optometrist 152WC0802X
- License number
- OD00003803 WA
Self-reported in NPPES; status is on the state search - Practice location
- 10202 NE 185TH St, Bothell, WA 98011
- Phone
- (425) 486-2121
- Enumerated
- Jan 12, 2007
- Record last updated
- Mar 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 2029981 WA
- Medicare enrollment
- Enrolled (PECOS I20040518000234); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2002
- Entity
- Type 1 · individual
Verify Elizabeth Y. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license OD00003803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average corneal and contact management optometrist in 2024
22 Medicare Part D claims for 17 beneficiaries, against an average of 225 among the 585 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $456.32
11 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 610 providers of this specialty with any payment received $1,035.17 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
- Roosevelt Vision Source PLLCSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Corneal and Contact Management Optometrist providers in Washington
There are 36 corneal and contact management optometrist records in Washington.
Other corneal and contact management optometrist records in Washington
- Mark Barry, ODBellevue, WA1326041666
- Larry Beach, O.D.Renton, WA1306882600
- C. Berry, O.D.Tumwater, WA1316057201
- Harold Bircumshaw, O.D.Tacoma, WA1679592190
- Karuna Boggavarapu, O.D.Bothell, WA1649574005
- Joseph Braun, O.D.Spokane, WA1245365519
- Dana Cocke, ODTacoma, WA1194745729
- Matt Conner, O.D.Yakima, WA1477555704
- Wayne Conrad, ODSeattle, WA1417017229
- Ronald Delano, O.D.Yakima, WA1649226374
Common questions
What is Elizabeth Y. Chang, O.D.'s NPI number?
Elizabeth Y. Chang, O.D.'s National Provider Identifier (NPI) is 1396896833, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Y. Chang, O.D. located?
The NPPES record lists a practice address at 10202 NE 185TH St, Bothell, WA, 98011. Phone: (425) 486-2121. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Y. Chang, O.D.'s license?
NPPES lists Washington license number OD00003803, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth Y. Chang, O.D. prescribe under Medicare Part D?
In 2024, Elizabeth Y. Chang, O.D. had 22 Medicare Part D claims for 17 beneficiaries; the average among corneal and contact management optometrist prescribers was 225. Part D covers Medicare prescriptions only.
What is Elizabeth Y. Chang, O.D.'s MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.