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Active NPI 1285786012 Individual Practitioner Male Practitioner

Dr. Gregory Mark Silva , OD

Optometrist • Antioch, CA

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Silva, OD is a registered healthcare professional specializing in Optometrist in Antioch, CA. Practice services are available at 3400 DELTA FAIR BLVD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

3400 Delta Fair Blvd

Antioch, CA 945094004

Telephone 9257795000
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Antioch, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 19.9 Yrs
State Avg: 21.9 Yrs
Regional Practice Density
24 Specialists

Practicing in Antioch, 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

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License CA 5599T

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.

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1013095116

Doctor of Medicine (M.D.)

Dr. Richard Russell , MD

Psychiatry & Neurology - Psychiatry

NPI 1043399181

Doctor of Medicine (M.D.)

Dr. Raj Dasari , MD

Emergency Medicine

NPI 1053499145

Doctor of Medicine (M.D.)

Dr. Al Sumaquial , MD

Internal Medicine

NPI 1073665204

Doctor of Medicine (M.D.)

NPI 1083764807

Doctor of Medicine (M.D.)

Dr. Martin Cogburn , MD

Internal Medicine

NPI 1134208275

Doctor of Medicine (M.D.)

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

📍
Updated Practice Location July 08, 2007

Registered at 3400 DELTA FAIR BLVD, ANTIOCH, CA 945094004 (Tel: 9257795000)

📍
Updated Business Mailing Address July 08, 2007

Registered at 3400 DELTA FAIR BLVD, ANTIOCH, CA 945094004 (Tel: 9257795000)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as GREGORY SILVA, OD

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

Optometrist (License #5599T in CA)

🟢
Initial NPI Registration & Enumeration January 18, 2007

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: 1285786012
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 18, 2007
Last Update: July 08, 2007
Sole Proprietor: No

Mailing Address

3400 Delta Fair Blvd

Antioch, CA 945094004

Phone: 9257795000

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.