Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1558872465 Individual Practitioner Female Practitioner

Amy To

Optometrist • Pasadena, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Amy To is a certified Optometrist practicing in Pasadena, CA. With approximately 9 years of clinical experience since graduating from Western University Of Health Sciences College Of Dental Med in 2017, Amy To delivers high-quality medical care to the local community at 477 E COLORADO BLVD.

Amy To is affiliated with Linden Optometry A Professional Corporation and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

477 E Colorado Blvd

Pasadena, CA 911012024

Telephone 6267961191
Fax 6267960189
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Western University Of Health Sciences College Of Dental Med

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Pasadena, CA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
9 Yrs -9.8 yrs vs City Avg
City Avg: 18.8 Yrs
State Avg: 21.9 Yrs
Regional Practice Density
92 Specialists

Practicing in Pasadena, CA (8588 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. To (9 Years) 9 Yrs
Pasadena Specialty Average (18.8 Years) 18.8 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-08-05
Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License CA 33852TLG

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Hospital & Practice Group Affiliations

Linden Optometry A Professional Corporation

477 E Colorado Blvd, Pasadena, CA 911012024

Phone: 6267961191

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

38 Associated Practitioners
NPI 1023120367

Doctor of Optometry

Tze Yu Tung

Optometrist

NPI 1023696473
NPI 1043507643

Doctor of Optometry

NPI 1063130979

Doctor of Optometry

NPI 1063524304

Doctor of Optometry

NPI 1114096336

Doctor of Optometry

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events
📍
Updated Practice Location June 15, 2024

Registered at 477 E COLORADO BLVD, PASADENA, CA 911012024 (Tel: 6267961191)

📍
Updated Practice Location August 07, 2020

Registered at 4403 S VERMONT AVE, LOS ANGELES, CA 900372413 (Tel: 3232321234)

📍
Updated Business Mailing Address August 07, 2020

Registered at 11938 ROSEGLEN ST, EL MONTE, CA 917321632 (Tel: 6263481761)

📍
Updated Practice Location July 09, 2019

Registered at 477 E COLORADO BLVD, PASADENA, CA 911012024 (Tel: 6267961191)

📍
Updated Business Mailing Address May 02, 2019

Registered at 477 E COLORADO BLVD, PASADENA, CA 911012024 (Tel: 6267961191)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 28, 2018

Optometrist (License #33852TLG in CA)

NPI Profile Active October 18, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location October 18, 2017

Registered at 11938 ROSEGLEN ST, EL MONTE, CA 917321632 (Tel: 6263481761)

📍
Updated Business Mailing Address October 18, 2017

Registered at 11938 ROSEGLEN ST, EL MONTE, CA 917321632 (Tel: 6263481761)

👤
Provider Name / Credentials Updated October 18, 2017

Recorded as AMY TO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 18, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration October 18, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1558872465
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 18, 2017
Last Update: August 05, 2026
Sole Proprietor: No

Mailing Address

11938 Roseglen St

El Monte, CA 917321632

Phone: 6263481761

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.