Cindy Li Yi Hum, OD
- Medicare patients, 2024
- 279
- Part D claims, 2024
- 309
- Industry payments
- $23
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 8877 W Union Hills Dr, Peoria, AZ 85382
- Practice phone
- Call (623) 256-0400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Westbrook Vision Center PLC
Peoria, Arizona
Find Cindy Hum'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.
Cindy Li Yi Hum is an optometrist in Peoria, Arizona
Cindy Hum practices at Westbrook Vision Center PLC in Peoria, Arizona.
Cindy Hum's NPI, 1679199434, was assigned on June 17, 2020. Cindy Hum holds Arizona license OPT-002435.
- NPI
- 1679199434NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486072204
- NPI enumeration date
- June 17, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (623) 256-0400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Cindy Li Yi Hum practices at Westbrook Vision Center PLC in Peoria, Arizona
Cindy Hum's primary practice is Westbrook Vision Center PLC, at 8877 W Union Hills Dr, Peoria, AZ 85382 in Maricopa County. The practice phone is (623) 256-0400.
- Westbrook Vision Center PLC8877 W Union Hills Dr, Peoria, AZ 85382 · Maricopa CountyPhone(623) 256-0400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Cindy Li Yi Hum is affiliated with 3 sites of care and 2 medical groups
Cindy Hum's primary practice is Westbrook Vision Center PLC in Peoria, Arizona. Dmand AI also links Cindy Hum 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 Cindy Li Yi Hum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cindy Hum practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westbrook Vision Center PLC | 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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Cindy Li Yi Hum is one of 958 optometrists in Arizona
Optometrist is Cindy Hum's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Cindy Hum is licensed in Arizona.
Specialties and state licenses
- Optometrist, ArizonaPrimary
Optometrists near Cindy Hum
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
Cindy Li Yi Hum treated 279 Medicare patients in 2024, average age 74
CMS counts 279 Medicare patients who saw Cindy Hum in 2024. The largest group is 65 to 74, with 155 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Cindy Hum's median patient age at 72, with 60% women.
Cindy Hum's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Cindy Hum's Medicare patients by sex, 2024
- Women17763%
- Men10237%
Chronic conditions among Cindy Hum's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis52%
- Ischemic heart disease26%
- Anxiety24%
- Chronic kidney disease24%
- Mood disorders24%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Cindy Hum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Cindy Li Yi Hum wrote 309 Medicare Part D claims in 2024
In 2024, Cindy Hum wrote 309 Medicare Part D claims for 140 patients. 62% of them were for generic drugs.
Cindy Hum's Part D claims by kind of drug, 2024
- Generic193 claims62%
- Brand-name116 claims38%
Drug classes CMS tracks in Cindy Hum's Part D claims, 2024
- Antibiotics4%13 of 309 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Cindy Li Yi Hum takes part in Medicare
Cindy Hum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Cindy Li Yi Hum received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Cindy Hum from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $23.
Companies that paid Cindy Hum the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Cindy Li Yi Hum'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Cindy Li Yi Hum
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cindy Li Yi Hum's NPI number?
Cindy Li Yi Hum's NPI number is 1679199434. It was assigned on June 17, 2020, and it is active in the NPI Registry.
What does Cindy Li Yi Hum specialize in?
Cindy Li Yi Hum is an optometrist in Peoria, Arizona. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Cindy Li Yi Hum practice?
Cindy Hum practices at 8877 W Union Hills Dr, Peoria, AZ 85382. Cindy Hum's primary practice is Westbrook Vision Center PLC in Peoria, Arizona. Dmand AI also links Cindy Hum to 2 group practices and clinics and 2 medical groups.
What is Cindy Li Yi Hum's office phone number?
The practice phone on file for Cindy Hum is (623) 256-0400.
What is Cindy Li Yi Hum's medical license number?
Cindy Hum holds Arizona license OPT-002435.
Does Cindy Li Yi Hum accept Medicare?
Yes. CMS lists Cindy Hum as accepting Medicare assignment.
How many Medicare patients does Cindy Li Yi Hum see?
CMS counts 279 Medicare patients who saw Cindy Hum in 2024, with an average age of 74.
Has Cindy Li Yi Hum received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Cindy Hum from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Cindy Li Yi Hum been practicing?
Cindy Hum graduated from medical school in 2020, 6 years ago.
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