Dr. James Z. Lai, MD
- Medicare services, 2024
- 44
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 20
- Industry payments
- $2,016
- Affiliated sites
- 2
- Practice address
- 2855 Gramercy St, Houston, TX 77025
- Practice phone
- Call (832) 553-7171
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Houston Eye Surgery Center
Houston, Texas
Find Dr. 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.
Dr. James Z. Lai is an ophthalmologist in Houston, Texas
Dr. Lai practices at Houston Eye Surgery Center in Houston, Texas.
Dr. Lai's NPI, 1699760447, was assigned on September 19, 2005. Dr. Lai graduated from WashU Medicine in 1992. Dr. Lai holds Texas license K8278.
- NPI
- 1699760447NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133015332
- NPI enumeration date
- September 19, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (832) 553-7171
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Z. Lai practices at Houston Eye Surgery Center in Houston, Texas
Dr. Lai's primary practice is Houston Eye Surgery Center, at 2855 Gramercy St, Houston, TX 77025 in Harris County. The practice phone is (832) 553-7171.
- Houston Eye Surgery Center2855 Gramercy St, Houston, TX 77025 · Harris CountyPhone(832) 553-7171
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James Z. Lai is affiliated with 3 sites of care and 2 medical groups
Dr. Lai's primary practice is Houston Eye Surgery Center in Houston, Texas. Dmand AI also links Dr. Lai to 2 medical groups, 1 group practice or clinic and 1 ambulatory surgery center, 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 Dr. James Z. Lai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lai practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Houston Eye Surgery Center | 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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Dr. James Z. Lai is one of 1,311 ophthalmologists in Texas
Ophthalmology is Dr. Lai's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Lai is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Lai's licenses on file in 4 states: Texas, District of Columbia, Maryland and Virginia.
Specialties and state licenses
- Ophthalmology, TexasPrimary
- District of Columbia license
- Maryland license
- Virginia license
Clinical focus
Dmand AI lists conjunctivitis, dry eye and vision problems among the conditions Dr. Lai treats.
Ophthalmologists near Dr. Lai
Counts of ophthalmologists 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
Dr. James Z. Lai billed Medicare for 44 services in 2024
CMS data shows 44 Medicare services from Dr. Lai across 2 procedure codes in 2024, for 30 Medicare patients. Medicare paid $2,906 for them. Every service was in an office.
Dr. Lai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 372024: 4419%
Dr. Lai compared with the Texas median for ophthalmologists, 2024
- Dr. Lai
- Texas median
- Medicare services
- 44vs 1,35397% below
- Medicare patients
- 30vs 49294% below
- Part D claims
- 14vs 61398% below
Medians across 1,290 ophthalmologists in Texas with Dmand AI profiles that report each measure.
Dr. Lai's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lai and other ophthalmologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Z. Lai treated 30 Medicare patients in 2024, average age 68
CMS counts 30 Medicare patients who saw Dr. Lai in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high cholesterol, and 57% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lai's median patient age at 11, with 50% women.
Dr. Lai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lai's Medicare patients by sex, 2024
- Women1653%
- Men1447%
Chronic conditions among Dr. Lai's Medicare patients, 2024
- High cholesterol75%
- High blood pressure57%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 11
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Z. Lai wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Lai wrote 20 Medicare Part D claims. 90% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $1,048 in total drug cost.
Dr. Lai's Part D claims by kind of drug, 2024
- Generic18 claims90%
- Brand-name and other2 claims10%
Dr. Lai's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. James Z. Lai takes part in Medicare
Dr. 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)
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Dr. James Z. Lai received $2,016 in industry payments from 2016 to 2025
CMS Open Payments shows 43 general payments to Dr. Lai from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $334.
General payments to Dr. Lai by program year, 2016 to 2025
Companies that paid Dr. Lai the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Z. Lai graduated from WashU Medicine
Dr. Lai graduated from WashU Medicine in 1992.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. James Z. Lai accepts plans from 22 insurance carriers
Dr. Lai is in network with 22 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- Alliant Health Plans
- +14 more carriersWith a free account
Plan types Dr. Lai accepts, by number of carriers
- PPO14
- HMO12
- Medicare10
- POS6
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. James Z. 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 | 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. James Z. 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 Dr. James Z. Lai's NPI number?
Dr. James Z. Lai's NPI number is 1699760447. It was assigned on September 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James Z. Lai?
Dr. James Z. Lai is an ophthalmologist in Houston, Texas. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. James Z. Lai practice?
Dr. Lai practices at 2855 Gramercy St, Houston, TX 77025. Dr. Lai's primary practice is Houston Eye Surgery Center in Houston, Texas. Dmand AI also links Dr. Lai to 2 medical groups, 1 group practice or clinic and 1 ambulatory surgery center.
What is Dr. James Z. Lai's office phone number?
The practice phone on file for Dr. Lai is (832) 553-7171.
What is Dr. James Z. Lai's medical license number?
Dr. Lai holds Texas license K8278, one of the licenses on file in 4 states.
Which states has Dr. James Z. Lai been licensed in?
Dmand AI has state licenses on file for Dr. Lai in Texas (1999 to 2026), District of Columbia (1996 to 2000), Maryland (1997 to 2000) and Virginia (1997 to 2000).
Does Dr. James Z. Lai accept Medicare?
Yes. CMS data shows Dr. Lai billed Medicare for 44 services in 2024, and Dr. Lai accepts Medicare assignment.
How many Medicare patients does Dr. James Z. Lai see?
CMS counts 30 Medicare patients who saw Dr. Lai in 2024, with an average age of 68.
Is Dr. James Z. Lai board certified?
Yes. Dr. Lai is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. James Z. Lai bill to Medicare?
In 2024, Dr. Lai's most billed Medicare services were eye exam or test (92014) and eye exam or test (92060).
Show 5 more questionsShow fewer questions
Where did Dr. James Z. Lai go to medical school?
Dr. Lai graduated from WashU Medicine in 1992.
What drugs does Dr. James Z. Lai prescribe most?
In 2018 Medicare Part D data, Dr. Lai's most prescribed drugs by claims were Olopatadine HCl.
Has Dr. James Z. Lai received payments from drug or device companies?
CMS Open Payments shows $2,016 in general payments to Dr. Lai from 17 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. James Z. Lai been practicing?
Dr. Lai graduated from medical school in 1992, 34 years ago.
What insurance does Dr. James Z. Lai accept?
Dr. Lai is in network with 22 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
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