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Active NPI 1538165303 Individual Practitioner Male Practitioner

Dr. William Samuel Shields , OD

Optometrist • Simi Valley, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Shields, OD is a certified Optometrist practicing in Simi Valley, CA. With approximately 35 years of clinical experience since graduating from Southern California College Of Optometry in 1991, Dr. Shields delivers high-quality medical care to the local community at 2812 COCHRAN ST.

Dr. Shields accepts Medicare assignment.

Frequently performed procedures and clinical services include exam of visual field with intermediate testing, established patient complete exam of visual system, new patient complete exam of visual system. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2812 Cochran St

Simi Valley, CA 930652780

Telephone 8055276164
Fax 8055274391

Medicare Profile & Education

Medical School

Southern California College Of Optometry

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Simi Valley, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
35 Yrs +11.0 yrs vs City Avg
City Avg: 24.0 Yrs
State Avg: 21.9 Yrs
Regional Practice Density
23 Specialists

Practicing in Simi Valley, CA (8588 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
8.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Shields (35 Years) 35 Yrs
Simi Valley Specialty Average (24.0 Years) 24.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92082 Exam of visual field with intermediate testing
142 140 $77.70 $51.98
92014 Established patient complete exam of visual system
111 110 $135.00 $133.06
92004 New patient complete exam of visual system
28 28 $135.00 $132.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
18 13 $66.00 $61.11

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License CA MS0803836

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

1 Associated Practitioners
NPI 1104932193

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 June 24, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location June 24, 2011

Registered at 2812 COCHRAN ST, SIMI VALLEY, CA 930652780 (Tel: 8055276164)

📍
Updated Business Mailing Address June 24, 2011

Registered at 2812 COCHRAN ST, SIMI VALLEY, CA 930652780 (Tel: 8055276164)

👤
Provider Name / Credentials Updated June 24, 2011

Recorded as WILLIAM SHIELDS, O.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 24, 2011

Optometrist (License #MS0803836 in CA)

🟢
Initial NPI Registration & Enumeration June 24, 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: 1538165303
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 24, 2005
Last Update: June 24, 2011
Sole Proprietor: Yes

Mailing Address

2812 Cochran St

Simi Valley, CA 930652780

Phone: 8055276164

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.