Christine F. Ko, O.D.
Corneal and Contact Management Optometrist · Newark, CA
Christine F. Ko, O.D. is a corneal and contact management optometrist with a practice address in Newark, California, and NPI 1811185523, issued on Oct 9, 2007. Check the license (California 9941T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christine F. Ko
- Credential
- O.D.
- Primary taxonomy
- Corneal and Contact Management Optometrist 152WC0802X
- License number
- 9941T CA
Self-reported in NPPES; status is on the state search - Practice location
- 5426 Central Ave, Newark, CA 94560
- Phone
- (510) 744-9100
- Enumerated
- Oct 9, 2007
- Record last updated
- Dec 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest corneal and contact management optometrist records → All 161 in California → Look up another NPI →
Also registered at 5426 Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alisha Cheng, ODOptometrist1952091837
Verify Christine F. Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9941TCheck 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: $129.15
1 payment: food and beverage; the largest payer was CooperVision 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.
Christine F. Ko among 161 corneal and contact management optometrist records in California
Christine F. Ko, O.D. is one of 161 corneal and contact management optometrist records with a practice address in California. 62% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 22% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 32% of these records are
- Record last updated2013 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152WC0802X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Corneal and Contact Management Optometrist providers in California
There are 161 corneal and contact management optometrist records in California.
All 161 in California → Every provider in Newark → Corneal and Contact Management Optometrist nationwide →
The 8 corneal and contact management optometrist records with the nearest ZIP codes
- Shital Chatwani, O.D.Newark, CA 945601568578300
- Edwin Larsen, ODNapa, CA 945591720154339
- Gary Ozaki, O.D.Dublin, CA 945681932226099
- Randall Ramsey, O.D.Dublin, CA 945681013032655
- Teresa Yim, O.D.Livermore, CA 945501003969650
- Celeste Paz, O.D.Fremont, CA 945381104884931
- Gregory Tom, O.D.San Ramon, CA 945821124245568
- Vivian Weng, O.D.Fremont, CA 945381588779557
Common questions
What is Christine F. Ko, O.D.'s NPI number?
Christine F. Ko, O.D.'s National Provider Identifier (NPI) is 1811185523, issued on Oct 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christine F. Ko, O.D. located?
The NPPES record lists a practice address at 5426 Central Ave, Newark, CA, 94560. Phone: (510) 744-9100. Providers update this record themselves, so call before visiting.
How can I verify Christine F. Ko, O.D.'s license?
NPPES lists California license number 9941T, 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.