Keri Owyang Chapman, O.D.
Optometrist · Palo Alto, CA
Keri Owyang Chapman, O.D. is an optometrist with a practice address in Palo Alto, California, and NPI 1598963308, issued on Jul 3, 2007. Check the license (California 13268 T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keri Owyang Chapman
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 13268 T CA
Self-reported in NPPES; status is on the state search - Practice location
- 442 Ramona St, Palo Alto, CA 94301
- Phone
- (650) 326-0592
- Enumerated
- Jul 3, 2007
- Record last updated
- May 13, 2026
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 442 Ramona St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Owyang, O.D.Optometrist1730227133
Verify Keri Owyang Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 13268 TCheck 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: $424.05
6 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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.
Keri Owyang Chapman among 8,308 optometrist records in California
Keri Owyang Chapman, 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2026 · 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 Palo Alto → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Dessie Athens, O.D.Palo Alto, CA 943011598853103
- Lawrence Chin, O.D.Palo Alto, CA 943011871554113
- Adrienne Lee, ODPalo Alto, CA 943011053401273
- Teresa Lui, O.D. INCPalo Alto, CA 943011306828454
- Helen Ma, ODPalo Alto, CA 943011073689154
- Manjeet Mann, O.D.Palo Alto, CA 943011063585990
- Cindy Matteson, ODPalo Alto, CA 943011346271665
- Joseph Most, O.D.Palo Alto, CA 943011568526440
Common questions
What is Keri Owyang Chapman, O.D.'s NPI number?
Keri Owyang Chapman, O.D.'s National Provider Identifier (NPI) is 1598963308, issued on Jul 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Keri Owyang Chapman, O.D. located?
The NPPES record lists a practice address at 442 Ramona St, Palo Alto, CA, 94301. Phone: (650) 326-0592. Providers update this record themselves, so call before visiting.
How can I verify Keri Owyang Chapman, O.D.'s license?
NPPES lists California license number 13268 T, 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.