Lorraine Yeung
- Medicare patients, 2024
- 607
- Part D claims, 2024
- 74
- Hospital affiliations
- 1
- Industry payments
- $401
- Medical groups
- 2
- Practice address
- 5575 W Las Positas Blvd, Pleasanton, CA 94588
- Practice phone
- Call (925) 460-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gagnon Vision Medical Group Inc
Pleasanton, California
Find Lorraine Yeung'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.
Lorraine Yeung is an optometrist in Pleasanton, California
Lorraine Yeung practices at Gagnon Vision Medical Group Inc in Pleasanton, California.
Lorraine Yeung's NPI, 1982379780, was assigned on August 12, 2021. Lorraine Yeung holds California license 34992.
- NPI
- 1982379780NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597147280
- NPI enumeration date
- August 12, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 460-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Lorraine Yeung practices at Gagnon Vision Medical Group Inc in Pleasanton, California
Lorraine Yeung's primary practice is Gagnon Vision Medical Group Inc, at 5575 W Las Positas Blvd, Pleasanton, CA 94588 in Alameda County. The practice phone is (925) 460-5000.
- Gagnon Vision Medical Group Inc5575 W Las Positas Blvd, Pleasanton, CA 94588 · Alameda CountyPhone(925) 460-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Lorraine Yeung is affiliated with 4 sites of care and 2 medical groups
Lorraine Yeung's primary practice is Gagnon Vision Medical Group Inc in Pleasanton, California. Lorraine Yeung is also affiliated with Stanford Health Care Tri-Valley. Dmand AI also links Lorraine Yeung to 2 more 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 Lorraine Yeung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lorraine Yeung practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gagnon Vision Medical Group Inc | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Lorraine Yeung is one of 7,206 optometrists in California
Optometrist is Lorraine Yeung's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Lorraine Yeung is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Lorraine Yeung
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
Lorraine Yeung treated 607 Medicare patients in 2024, average age 76
CMS counts 607 Medicare patients who saw Lorraine Yeung in 2024. The largest group is 65 to 74, with 278 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Lorraine Yeung's median patient age at 72, with 49% women.
Lorraine Yeung's Medicare patients by age, 2024
Lorraine Yeung's Medicare patients by sex, 2024
- Women37261%
- Men23539%
Chronic conditions among Lorraine Yeung's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis43%
- Diabetes26%
- Osteoporosis22%
- Chronic kidney disease21%
- Ischemic heart disease20%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Lorraine Yeung'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
- Women49%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Lorraine Yeung wrote 74 Medicare Part D claims in 2024
In 2024, Lorraine Yeung wrote 74 Medicare Part D claims for 42 patients. 64% of them were for generic drugs.
Lorraine Yeung's Part D claims by kind of drug, 2024
- Generic47 claims64%
- Brand-name27 claims36%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Lorraine Yeung takes part in Medicare
Lorraine Yeung 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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Lorraine Yeung received $401 in industry payments in 2025
CMS Open Payments shows 11 general payments to Lorraine Yeung from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $186.
Companies that paid Lorraine Yeung 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 Lorraine Yeung'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 Lorraine Yeung
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lorraine Yeung's NPI number?
Lorraine Yeung's NPI number is 1982379780. It was assigned on August 12, 2021, and it is active in the NPI Registry.
What does Lorraine Yeung specialize in?
Lorraine Yeung is an optometrist in Pleasanton, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Lorraine Yeung practice?
Lorraine Yeung practices at 5575 W Las Positas Blvd, Pleasanton, CA 94588. Lorraine Yeung's primary practice is Gagnon Vision Medical Group Inc in Pleasanton, California. Dmand AI also links Lorraine Yeung to 2 group practices and clinics and 2 medical groups.
What is Lorraine Yeung's office phone number?
The practice phone on file for Lorraine Yeung is (925) 460-5000.
What is Lorraine Yeung's medical license number?
Lorraine Yeung holds California license 34992.
Which hospitals is Lorraine Yeung affiliated with?
Lorraine Yeung is affiliated with Stanford Health Care Tri-Valley.
Does Lorraine Yeung accept Medicare?
Yes. CMS lists Lorraine Yeung as accepting Medicare assignment.
How many Medicare patients does Lorraine Yeung see?
CMS counts 607 Medicare patients who saw Lorraine Yeung in 2024, with an average age of 76.
Has Lorraine Yeung received payments from drug or device companies?
CMS Open Payments shows $401 in general payments to Lorraine Yeung from 4 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Lorraine Yeung been practicing?
Lorraine Yeung graduated from medical school in 2021, 5 years ago.
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