Nicholas T. Chan, OD
Optometrist · San Mateo, CA
Nicholas T. Chan, OD is an optometrist with a practice address in San Mateo, California, and NPI 1407870074, issued on Jul 27, 2006. Check the license (California 11614, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nicholas T. Chan
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 11614 CA
Self-reported in NPPES; status is on the state search - Practice location
- 228 E 3RD Ave, San Mateo, CA 94401
- Phone
- (415) 713-0674
- Enumerated
- Jul 27, 2006
- Record last updated
- Apr 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- SD0116140 AZ
- Medicare enrollment
- Enrolled (PECOS I20071017000904); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2001
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 228 E 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susie Lee, O.D.Optometrist1932257037
- Stanley Lowe, O.D.Optometrist1629146683
Verify Nicholas T. Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11614Check 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% more Medicare Part D claims than the average optometrist in 2024
534 Medicare Part D claims for 185 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Latanoprost249 claims
- Timolol Maleate94 claims
- Brimonidine Tartrate68 claims
- Dorzolamide-Timolol30 claims
- Dorzolamide Hcl21 claims
- Azelastine Hcl19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 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).
Bills Medicare through one group practice
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas T. Chan among 8,308 optometrist records in California
Nicholas T. Chan, OD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2001 · median 2008 among the 3,573 with a school on file
- Record last updated2012 · 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 San Mateo → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Rosemary Buduan, O.D.San Mateo, CA 944011114085685
- Sandra Cheng, ODSan Mateo, CA 944011982711446
- Gary HamillSan Mateo, CA 944011699833152
- Sharon Ho, ODSan Mateo, CA 944011952415879
- Gary Lai, O.D.San Mateo, CA 944011679697023
- Susie Lee, O.D.San Mateo, CA 944011932257037
- Wendy Lin, ODSan Mateo, CA 944011922127125
- Katherine Lok Chan, ODSan Mateo, CA 944011336302637
Common questions
What is Nicholas T. Chan, OD's NPI number?
Nicholas T. Chan, OD's National Provider Identifier (NPI) is 1407870074, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas T. Chan, OD located?
The NPPES record lists a practice address at 228 E 3RD Ave, San Mateo, CA, 94401. Phone: (415) 713-0674. Providers update this record themselves, so call before visiting.
How can I verify Nicholas T. Chan, OD's license?
NPPES lists California license number 11614, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nicholas T. Chan, OD prescribe under Medicare Part D?
In 2024, Nicholas T. Chan, OD had 534 Medicare Part D claims for 185 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Nicholas T. Chan, OD's MIPS final score?
The 2023 MIPS final score is 90.3 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.