Wendy Zhen, OD
- Medicare patients, 2024
- 347
- Part D claims, 2024
- 157
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Industry payments
- $125
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Wendy Zhen'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.
Wendy Zhen is an optometrist in San Francisco, California
Wendy Zhen practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Wendy Zhen's NPI, 1356901854, was assigned on June 17, 2019. Wendy Zhen holds New York license TUV008945-01.
- NPI
- 1356901854NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739593278
- NPI enumeration date
- June 17, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Wendy Zhen practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Wendy Zhen's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Wendy Zhen is affiliated with 3 sites of care and 2 medical groups
Wendy Zhen's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Wendy Zhen to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Wendy Zhen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Wendy Zhen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Wendy Zhen is one of 7,206 optometrists in California
Optometrist is Wendy Zhen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Wendy Zhen is licensed in New York.
Specialties and state licenses
- Optometrist, New YorkPrimary
Optometrists near Wendy Zhen
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
Wendy Zhen treated 347 Medicare patients in 2024, average age 74
CMS counts 347 Medicare patients who saw Wendy Zhen in 2024. The largest group is 65 to 74, with 153 patients. 68% of them have high blood pressure, and 66% have high cholesterol. 35% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Wendy Zhen's median patient age at 70, with 58% women.
Wendy Zhen's Medicare patients by age, 2024
Wendy Zhen's Medicare patients by sex, 2024
- Women19857%
- Men14943%
Chronic conditions among Wendy Zhen's Medicare patients, 2024
- High blood pressure68%
- High cholesterol66%
- Arthritis35%
- Diabetes31%
- Mood disorders22%
- Osteoporosis22%
- Chronic kidney disease21%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Wendy Zhen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women58%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Wendy Zhen wrote 157 Medicare Part D claims in 2024
In 2024, Wendy Zhen wrote 157 Medicare Part D claims for 53 patients. 48% of them were for generic drugs.
Wendy Zhen's Part D claims by kind of drug, 2024
- Generic76 claims48%
- Brand-name81 claims52%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Wendy Zhen scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Wendy Zhen for performance year 2024, reported as part of a group. Wendy Zhen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Wendy Zhen's MIPS scores, performance year 2024
- 87of 100Final score
- 86.8of 100Quality
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Wendy Zhen received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Wendy Zhen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $125.
Companies that paid Wendy Zhen 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 Wendy Zhen'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)Clinician Public Reporting: Overall MIPS Performance (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 Wendy Zhen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Wendy Zhen's NPI number?
Wendy Zhen's NPI number is 1356901854. It was assigned on June 17, 2019, and it is active in the NPI Registry.
What does Wendy Zhen specialize in?
Wendy Zhen is an optometrist in San Francisco, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Wendy Zhen practice?
Wendy Zhen practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Wendy Zhen's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Wendy Zhen to 2 group practices and clinics and 1 medical group.
What is Wendy Zhen's office phone number?
The practice phone on file for Wendy Zhen is (415) 353-2733.
What is Wendy Zhen's medical license number?
Wendy Zhen holds New York license TUV008945-01.
Which hospitals is Wendy Zhen affiliated with?
Wendy Zhen practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Wendy Zhen part of?
Wendy Zhen is linked to UCSF Pediatrics. Dmand AI links Wendy Zhen to 1 more medical group.
Does Wendy Zhen accept Medicare?
Yes. CMS lists Wendy Zhen as accepting Medicare assignment.
What is Wendy Zhen's MIPS score?
Wendy Zhen's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Wendy Zhen see?
CMS counts 347 Medicare patients who saw Wendy Zhen in 2024, with an average age of 74.
Has Wendy Zhen received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Wendy Zhen from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Wendy Zhen been practicing?
Wendy Zhen graduated from medical school in 2019, 7 years ago.
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