Are you William S. Shields, O.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 2812 Cochran St, Simi Valley, CA 93065
About Dr. Shields
Based in Simi Valley, CA, William S. Shields, O.D. is listed in the NPI registry under optometry. William graduated from Southern California College of Optometry in 1991. William is also listed as specializing in optometrist. Medicare claims data shows William provided 299 services to 291 patients. The services billed most often include exam of visual field with intermediate testing, established patient complete exam of visual system, and new patient complete exam of visual system. NPI 1538165303 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (805) 527-6164
- Email not available
Practice Locations
2812 COCHRAN ST
Simi Valley, CA 93065
Conditions Commonly Evaluated or Treated
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
299 services · 291 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Exam of visual field with intermediate testing | Treatment | 92082 |
142 | More than most peers in Optometry |
| Established patient complete exam of visual system | Treatment | 92014 |
111 | As often as other peers in Optometry |
| New patient complete exam of visual system | Treatment | 92004 |
28 | As often as other peers in Optometry |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
18 | Less often than most peers in Optometry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other optometry specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Other optometry specialists in Simi Valley 7
Same specialty, same city.
Trained at Southern California College of Optometry 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1991 at Southern California College of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Exam of visual field with intermediate testing 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is William S. Shields?
William S. Shields is an optometry in Simi Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is William S. Shields's address?
William S. Shields is listed at 2812 Cochran St, Simi Valley, CA 93065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with William S. Shields?
The number on file is (805) 527-6164. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for William S. Shields?
William S. Shields's National Provider Identifier is 1538165303. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did William S. Shields train?
William S. Shields attended Southern California College of Optometry, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does William S. Shields have?
William S. Shields has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does William S. Shields perform?
According to Medicare billing data, William S. Shields provides treatments such as exam of visual field with intermediate testing and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is William S. Shields's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William S. Shields. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.