Loi Thanh Mai, OD
- Industry payments
- $41
- Affiliated sites
- 1
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2016
- Practice address
- 1045 Atlantic Ave, Long Beach, CA 90813
- Practice phone
- Call (562) 436-8117
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
George M. Jayatilaka, MD Inc
Long Beach, California
Find Loi Mai'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.
Loi Thanh Mai is an optometrist in Long Beach, California
Loi Mai practices at George M. Jayatilaka, MD Inc in Long Beach, California.
Loi Mai's NPI, 1902353238, was assigned on September 2, 2016. Loi Mai holds California license 34111.
- NPI
- 1902353238NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587943022
- NPI enumeration date
- September 2, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 436-8117
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Loi Thanh Mai practices at George M. Jayatilaka, MD Inc in Long Beach, California
Loi Mai's primary practice is George M. Jayatilaka, MD Inc, at 1045 Atlantic Ave, Long Beach, CA 90813 in Los Angeles County. The practice phone is (562) 436-8117.
- George M. Jayatilaka, MD Inc1045 Atlantic Ave, Long Beach, CA 90813 · Los Angeles CountyPhone(562) 436-8117
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Loi Thanh Mai is affiliated with 2 sites of care and 2 medical groups
Loi Mai's primary practice is George M. Jayatilaka, MD Inc in Long Beach, California. Dmand AI also links Loi Mai to 2 medical groups and 1 physician office, 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 Loi Thanh Mai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Loi Mai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| George M. Jayatilaka, MD Inc | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Loi Thanh Mai is one of 7,206 optometrists in California
Optometrist is Loi Mai's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Loi Mai's licenses on file in 2 states: California and Nevada.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
- Nevada license
Optometrists near Loi Mai
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
Loi Thanh Mai's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Loi Mai's median patient age at 38, with 65% women.
Loi Mai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
How Loi Thanh Mai takes part in Medicare
Loi Mai 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)
Loi Thanh Mai received $41 in industry payments in 2025
CMS Open Payments shows 1 general payment to Loi Mai from 1 drug or device company in 2025. Entertainment make up the largest share, 100% of the total. Optos, Inc. paid the most, $41.
Companies that paid Loi Mai 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 Loi Thanh Mai'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 Data |
| 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 Loi Thanh Mai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Loi Thanh Mai's NPI number?
Loi Thanh Mai's NPI number is 1902353238. It was assigned on September 2, 2016, and it is active in the NPI Registry.
What does Loi Thanh Mai specialize in?
Loi Thanh Mai is an optometrist in Long Beach, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Loi Thanh Mai practice?
Loi Mai practices at 1045 Atlantic Ave, Long Beach, CA 90813. Loi Mai's primary practice is George M. Jayatilaka, MD Inc in Long Beach, California. Dmand AI also links Loi Mai to 2 medical groups and 1 physician office.
What is Loi Thanh Mai's office phone number?
The practice phone on file for Loi Mai is (562) 436-8117.
What is Loi Thanh Mai's medical license number?
Loi Mai holds California license 34111, one of the licenses on file in 2 states.
Which states has Loi Thanh Mai been licensed in?
Dmand AI has state licenses on file for Loi Mai in California and Nevada.
Does Loi Thanh Mai accept Medicare?
Yes. CMS lists Loi Mai as accepting Medicare assignment.
Has Loi Thanh Mai received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Loi Mai from 1 company from 2025 to 2025. The largest total came from Optos, Inc.
How long has Loi Thanh Mai been practicing?
Loi Mai graduated from medical school in 2016, 10 years ago.
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