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Active NPI 1003960048 Individual Practitioner Male Practitioner

Dr. Gary Duane Maas , OD

Optometrist • Vallejo, CA

Professional Overview & Biography Verified Profile Summary

Dr. Gary Maas, OD is a registered healthcare professional specializing in Optometrist in Vallejo, CA. Practice services are available at 675 SERENO DR. under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

675 Sereno Dr.

Vallejo, CA 94589

Telephone 7076512990
Fax 7076512948
Associated Practice Facility / Clinic
🏢 Kaiser Permanente Vallejo Facility NPI 1801983150

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Vallejo, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.4 Yrs
State Avg: 21.9 Yrs
Regional Practice Density
28 Specialists

Practicing in Vallejo, 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 OPT5904T

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

2 Associated Practitioners
NPI 1073669180

Doctor of Optometry

NPI 1285763631

Doctor of Optometry

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 675 SERENO DR., VALLEJO, CA 94589 (Tel: 7076512990)

📍
Updated Business Mailing Address July 08, 2007

Registered at 975 SERENO DR, VALLEJO, CA 945892441 (Tel: 7076512990)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as GARY MAAS, O.D.

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

Optometrist (License #OPT5904T in CA)

🟢
Initial NPI Registration & Enumeration January 23, 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: 1003960048
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 23, 2007
Last Update: July 08, 2007
Sole Proprietor: No

Mailing Address

975 Sereno Dr

Vallejo, CA 945892441

Phone: 7076512990

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.