William Randolph Hill, OD
- Medicare patients, 2024
- 176
- Part D claims, 2024
- 62
- Industry payments
- $92
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 27271 Las Ramblas, Mission Viejo, CA 92691
- Practice phone
- Call (858) 487-5555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Total Vision
Mission Viejo, California
Find William Hill's 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 Randolph Hill is an optometrist in Mission Viejo, California
William Hill practices at Total Vision in Mission Viejo, California.
William Hill's NPI, 1568539146, was assigned on November 29, 2006. William Hill graduated from Southern California College of Optometry in 1984. William Hill holds California license 8176T.
- NPI
- 1568539146NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557466117
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 487-5555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William Randolph Hill practices at Total Vision in Mission Viejo, California
William Hill's primary practice is Total Vision, at 27271 Las Ramblas, Mission Viejo, CA 92691 in Orange County. The practice phone is (858) 487-5555.
- Total Vision27271 Las Ramblas, Mission Viejo, CA 92691 · Orange CountyPhone(858) 487-5555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Randolph Hill is affiliated with 3 sites of care and 2 medical groups
William Hill's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links William Hill to 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Randolph Hill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Hill practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Total Vision | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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William Randolph Hill is one of 7,206 optometrists in California
Optometrist is William Hill's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Hill is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near William Hill
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 Randolph Hill treated 176 Medicare patients in 2024, average age 76
CMS counts 176 Medicare patients who saw William Hill in 2024. The largest group is 65 to 74, with 80 patients. 71% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Hill's median patient age at 76, with 60% women.
William Hill's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Hill's Medicare patients by sex, 2024
- Women10761%
- Men6939%
Chronic conditions among William Hill's Medicare patients, 2024
- High cholesterol71%
- High blood pressure63%
- Arthritis44%
- Diabetes21%
- Cancer20%
- Ischemic heart disease20%
- Anxiety19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
William Hill's 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
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Randolph Hill wrote 62 Medicare Part D claims in 2024
In 2024, William Hill wrote 62 Medicare Part D claims for 27 patients. 32% of them were for generic drugs.
William Hill's Part D claims by kind of drug, 2024
- Generic20 claims32%
- Brand-name42 claims68%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How William Randolph Hill takes part in Medicare
William Hill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
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 Randolph Hill received $92 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Hill from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $92.
Companies that paid William Hill 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 Randolph Hill graduated from Southern California College of Optometry
William Hill graduated from Southern California College of Optometry in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Randolph Hill'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Randolph Hill
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 Randolph Hill's NPI number?
William Randolph Hill's NPI number is 1568539146. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What does William Randolph Hill specialize in?
William Randolph Hill is an optometrist in Mission Viejo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William Randolph Hill practice?
William Hill practices at 27271 Las Ramblas, Mission Viejo, CA 92691. William Hill's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links William Hill to 2 group practices and clinics and 2 medical groups.
What is William Randolph Hill's office phone number?
The practice phone on file for William Hill is (858) 487-5555.
What is William Randolph Hill's medical license number?
William Hill holds California license 8176T.
Does William Randolph Hill accept Medicare?
Yes. CMS lists William Hill as accepting Medicare assignment.
How many Medicare patients does William Randolph Hill see?
CMS counts 176 Medicare patients who saw William Hill in 2024, with an average age of 76.
Where did William Randolph Hill go to medical school?
William Hill graduated from Southern California College of Optometry in 1984.
Has William Randolph Hill received payments from drug or device companies?
CMS Open Payments shows $92 in general payments to William Hill from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has William Randolph Hill been practicing?
William Hill graduated from medical school in 1984, 42 years ago.
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