William Samuel Shields, OD
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 28
- Industry payments
- $45
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 11333 Sepulveda Blvd, #3200, Mission Hills, CA 91345
- Practice phone
- Call (818) 837-5776
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Facey Endoscopy Center
Surgery Center - Medicare-Certified · Mission Hills, California
Find William Shields' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Samuel Shields is an optometrist in Mission Hills, California
William Shields practices at Facey Endoscopy Center in Mission Hills, California.
William Shields' NPI, 1538165303, was assigned on June 24, 2005. William Shields graduated from Southern California College of Optometry in 1991. William Shields holds California license MS0803836.
- NPI
- 1538165303NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527254895
- NPI enumeration date
- June 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 837-5776
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Samuel Shields practices at Facey Endoscopy Center in Mission Hills, California
William Shields' primary practice is Facey Endoscopy Center, at 11333 Sepulveda Blvd, #3200, Mission Hills, CA 91345. The practice phone is (818) 837-5776.
- Facey Endoscopy Center11333 Sepulveda Blvd, #3200, Mission Hills, CA 91345Phone(818) 837-5776
Source: Dmand AI Affiliation Data
William Samuel Shields is affiliated with 1 site of care
William Shields' primary practice is Facey Endoscopy Center in Mission Hills, California.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Samuel Shields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Shields practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Facey Endoscopy Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
William Samuel Shields is one of 7,206 optometrists in California
Optometrist is William Shields' primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Shields is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near William Shields
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Samuel Shields treated 155 Medicare patients in 2024, average age 76
CMS counts 155 Medicare patients who saw William Shields in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Shields' median patient age at 76, with 64% women.
William Shields' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Shields' Medicare patients by sex, 2024
- Women10165%
- Men5435%
Chronic conditions among William Shields' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease27%
- Diabetes26%
- Anxiety21%
- Atrial fibrillation19%
- Chronic kidney disease19%
Share of Medicare patients with each condition. A patient can have several.
William Shields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Samuel Shields wrote 28 Medicare Part D claims in 2024
In 2024, William Shields wrote 28 Medicare Part D claims for 18 patients. 46% of them were for generic drugs.
William Shields' Part D claims by kind of drug, 2024
- Generic13 claims46%
- Brand-name15 claims54%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William Samuel Shields ranks in the 34th percentile for cataract surgery in Medicare
William Shields accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of cataract surgery by William Shields, more than 34% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where William Shields ranks in Medicare procedure volume
- Cataract surgery
- 34th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
William Samuel Shields received $45 in industry payments in 2025
CMS Open Payments shows 2 general payments to William Shields from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $24.
Companies that paid William Shields the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Samuel Shields graduated from Southern California College of Optometry
William Shields graduated from Southern California College of Optometry in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Samuel Shields's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Samuel Shields
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Samuel Shields' NPI number?
William Samuel Shields' NPI number is 1538165303. It was assigned on June 24, 2005, and it is active in the NPI Registry.
What does William Samuel Shields specialize in?
William Samuel Shields is an optometrist in Mission Hills, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William Samuel Shields practice?
William Shields practices at 11333 Sepulveda Blvd, #3200, Mission Hills, CA 91345. William Shields' primary practice is Facey Endoscopy Center in Mission Hills, California.
What is William Samuel Shields' office phone number?
The practice phone on file for William Shields is (818) 837-5776.
What is William Samuel Shields' medical license number?
William Shields holds California license MS0803836.
Does William Samuel Shields accept Medicare?
Yes. CMS lists William Shields as accepting Medicare assignment.
How many Medicare patients does William Samuel Shields see?
CMS counts 155 Medicare patients who saw William Shields in 2024, with an average age of 76.
Where did William Samuel Shields go to medical school?
William Shields graduated from Southern California College of Optometry in 1991.
Has William Samuel Shields received payments from drug or device companies?
CMS Open Payments shows $45 in general payments to William Shields from 2 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has William Samuel Shields been practicing?
William Shields graduated from medical school in 1991, 35 years ago.
Selling to optometrist practices?
See optometrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card