Amy To
Optometrist · Pasadena, CA
Amy To is an optometrist with a practice address in Pasadena, California, and NPI 1558872465, issued on Oct 18, 2017. Check the license (California 33852TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy To
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 33852TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 477 E Colorado Blvd, Pasadena, CA 91101
- Phone
- (626) 796-1191
- Enumerated
- Oct 18, 2017
- Record last updated
- Aug 5, 2026
- Fax
- (626) 796-0189
- Medicare enrollment
- Enrolled (PECOS I20191106003066); accepts Medicare assignment
- Medical or professional school
- Western University Of Health Sciences College Of Dental Med, 2017
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 477 E Colorado Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angineh Almasi, O.D.Optometrist1760788632
- Barbara Armstrong, ODOptometrist1023120367
- Daniela BaumannOptometrist1982232146
- Christie Chan, ODOptometrist1669584900
- Vivien Chan, ODOptometrist1679685911
- Jessica Chang, ODOptometrist1063524304
Verify Amy To in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33852TLGCheck 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: $619.32
33 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- Linden Optometry A Professional CorporationPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy To among 8,308 optometrist records in California
Amy To 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 2017, is newer than 76% of them.
- NPI issued2017 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2017 · median 2008 among the 3,573 with a school on file
- 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).
90 optometrist records list a practice address in Pasadena
They are 90 of the 10,525 NPPES records with a practice address in Pasadena, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Pasadena → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Barbara Armstrong, ODPasadena, CA 911011023120367
- Vivien Chan, ODPasadena, CA 911011679685911
- Christie Chan, ODPasadena, CA 911011669584900
- Jessica Chang, ODPasadena, CA 911011063524304
- Andrew Gore, O.D.Pasadena, CA 911011376513259
- Brenda Lien, ODPasadena, CA 911011285746420
- Tracy Mayo, ODPasadena, CA 911011497867733
- Barnett Parks, ODPasadena, CA 911011447362686
Common questions
What is Amy To's NPI number?
Amy To's National Provider Identifier (NPI) is 1558872465, issued on Oct 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Amy To located?
The NPPES record lists a practice address at 477 E Colorado Blvd, Pasadena, CA, 91101. Phone: (626) 796-1191. Providers update this record themselves, so call before visiting.
How can I verify Amy To's license?
NPPES lists California license number 33852TLG, 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.