Gary On-Tai Lai, OD
- Medicare patients, 2024
- 45
- Industry payments
- $21
- Affiliated sites
- 3
- Medical groups
- 2
- State license
- 1
- Practice address
- 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040
- Practice phone
- Call (408) 739-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Mountain View
Surgery Center - Medicare-Certified · Mountain View, California
Find Gary Lai'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.
Gary On-Tai Lai is an optometrist in Mountain View, California
Gary Lai practices at Surgery Center Mountain View in Mountain View, California.
Gary Lai's NPI, 1679697023, was assigned on March 19, 2007. Gary Lai graduated from University of California - School of Optometry in 1996. Gary Lai holds California license 10705T.
- NPI
- 1679697023NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709021231
- NPI enumeration date
- March 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 739-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gary On-Tai Lai practices at Surgery Center Mountain View in Mountain View, California
Gary Lai's primary practice is Surgery Center Mountain View, at 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040. The practice phone is (408) 739-6000.
- Surgery Center Mountain View701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040Phone(408) 739-6000
Source: Dmand AI Affiliation Data
Gary On-Tai Lai is affiliated with 3 sites of care and 2 medical groups
Gary Lai's primary practice is Surgery Center Mountain View in Mountain View, California. Dmand AI also links Gary Lai to 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gary On-Tai Lai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gary Lai practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Mountain View | 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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Gary On-Tai Lai is one of 7,206 optometrists in California
Optometrist is Gary Lai's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gary Lai is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Gary Lai
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
Gary On-Tai Lai treated 45 Medicare patients in 2024, average age 76
CMS counts 45 Medicare patients who saw Gary Lai in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high cholesterol, and 53% have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gary Lai's median patient age at 54, with 59% women.
Gary Lai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gary Lai's Medicare patients by sex, 2024
- Women3067%
- Men1533%
Chronic conditions among Gary Lai's Medicare patients, 2024
- High cholesterol75%
- High blood pressure53%
- Arthritis29%
Share of Medicare patients with each condition. A patient can have several.
Gary Lai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women59%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Gary On-Tai Lai takes part in Medicare
Gary Lai 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)
Gary On-Tai Lai received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gary Lai 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, $21.
Companies that paid Gary Lai the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gary On-Tai Lai graduated from University of California - School of Optometry
Gary Lai graduated from University of California - School of Optometry in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gary On-Tai Lai'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) |
| 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) |
| 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 Gary On-Tai Lai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gary On-Tai Lai's NPI number?
Gary On-Tai Lai's NPI number is 1679697023. It was assigned on March 19, 2007, and it is active in the NPI Registry.
What does Gary On-Tai Lai specialize in?
Gary On-Tai Lai is an optometrist in Mountain View, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gary On-Tai Lai practice?
Gary Lai practices at 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040. Gary Lai's primary practice is Surgery Center Mountain View in Mountain View, California. Dmand AI also links Gary Lai to 2 group practices and clinics and 2 medical groups.
What is Gary On-Tai Lai's office phone number?
The practice phone on file for Gary Lai is (408) 739-6000.
What is Gary On-Tai Lai's medical license number?
Gary Lai holds California license 10705T.
Does Gary On-Tai Lai accept Medicare?
Yes. CMS lists Gary Lai as accepting Medicare assignment.
How many Medicare patients does Gary On-Tai Lai see?
CMS counts 45 Medicare patients who saw Gary Lai in 2024, with an average age of 76.
Where did Gary On-Tai Lai go to medical school?
Gary Lai graduated from University of California - School of Optometry in 1996.
Has Gary On-Tai Lai received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Gary Lai from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Gary On-Tai Lai been practicing?
Gary Lai graduated from medical school in 1996, 30 years ago.
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