Ashley Chiang Tjoe, O.D.
Optometrist · Walnut Creek, CA
Ashley Chiang Tjoe, O.D. is an optometrist with a practice address in Walnut Creek, California, and NPI 1679920060, issued on May 16, 2016. Check the license (California 33369, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley Chiang Tjoe
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 33369 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2801 Ygnacio Valley RD, Walnut Creek, CA 94598
- Phone
- (925) 933-2600
- Enumerated
- May 16, 2016
- Record last updated
- May 27, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160721001608); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2015
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 2801 Ygnacio Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Burr, DDSDentist1285842187
- Robert Cheung, O.D.Optometrist1649251232
- Gregory Cusack, DCChiropractor1841361797
- Van Pham, O.D.Optometrist1558598946
- Julie Souza, DCChiropractor1144391095
Verify Ashley Chiang Tjoe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $19.88
1 payment: 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
- South Pasadena Optometric Group IncSouth Pasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashley Chiang Tjoe among 8,308 optometrist records in California
Ashley Chiang Tjoe, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2015 · median 2008 among the 3,573 with a school on file
- Record last updated2016 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Walnut Creek → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Lina Chan, ODWalnut Creek, CA 945981659358042
- Judy Chang, O.D.Walnut Creek, CA 945981316090384
- Janine Chen, O.D.Walnut Creek, CA 945981851455778
- Robert Cheung, O.D.Walnut Creek, CA 945981649251232
- Niki Forghani, ODWalnut Creek, CA 945981477600856
- Julienne Heene, O.D.Walnut Creek, CA 945981194876987
- Tammy Hong, O.D.Walnut Creek, CA 945981790753960
- Kenneth Lee, O.D.Walnut Creek, CA 945981023168614
Common questions
What is Ashley Chiang Tjoe, O.D.'s NPI number?
Ashley Chiang Tjoe, O.D.'s National Provider Identifier (NPI) is 1679920060, issued on May 16, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Chiang Tjoe, O.D. located?
The NPPES record lists a practice address at 2801 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (925) 933-2600. Providers update this record themselves, so call before visiting.
How can I verify Ashley Chiang Tjoe, O.D.'s license?
NPPES lists California license number 33369, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.