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Active NPI 1558351908 Individual Practitioner Male Practitioner

Dr. Thomas Chong , OD

Optometrist • San Francisco, CA

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Chong, OD is a registered healthcare professional specializing in Optometrist in San Francisco, CA. Practice services are available at 414 20TH AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

414 20th Ave

San Francisco, CA 941213121

Telephone 4156681221

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in San Francisco, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 19.1 Yrs
State Avg: 21.9 Yrs
Regional Practice Density
299 Specialists

Practicing in San Francisco, CA (8588 Statewide)

Telehealth Adoption Rate
1.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License CA 5374T

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.

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 414 20TH AVE, SAN FRANCISCO, CA 941213121 (Tel: 4156681221)

📍
Updated Business Mailing Address July 08, 2007

Registered at 414 20TH AVE, SAN FRANCISCO, CA 941213121 (Tel: 4156681221)

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Provider Name / Credentials Updated July 08, 2007

Recorded as THOMAS CHONG, O.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Optometrist (License #5374T in CA)

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Initial NPI Registration & Enumeration October 26, 2005

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: 1558351908
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 26, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

414 20th Ave

San Francisco, CA 941213121

Phone: 4156681221

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.