Active NPI
James Z. Lai, MD
- Ophthalmology Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- K8278
- Practice address
- 2855 Gramercy St
Houston, TX 77025-1635 - Phone
- (713) 668-6828
- NPI assigned
- Sep 19, 2005
- Last updated
- Oct 23, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Ophthalmology and Strabismus Specialist Physician | 207WX0110X | K8278 | TX | |
| Ophthalmology Physician | 207W00000X | K8278 | TX | Primary |
Addresses
Primary practice location
2855 Gramercy St
Houston, TX 77025-1635
Mailing address
2855 Gramercy St Ste 400
Houston, TX 77025-1697
Phone (713) 668-6828
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | jlai@houstoneye.emadirect.md | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- Other, 1992
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2855 Gramercy St
Houston, TX 77025-1635
Phone (713) 668-6828
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| K8278 | TX | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Hea Clinic PA | Ophthalmology | Current | Accepting new patients |
| Hea Clinic, PA | Ophthalmology | Current | Accepting new patients |
| Houston Optic PLLC | Past | Accepting new patients |
Locations
400 S Loop 336 W
Conroe, TX 77304
Phone (406) 539-4500
2855 Gramercy St
Houston, TX 77025
Phone (713) 668-1828
2855 Gramercy St
#400
Houston, TX 77025
2855 Gramercy St
Ste 400
Houston, TX 77025
7155 Old Katy Rd
Ste N100
Houston, TX 77024
1111 Highway 6
Ste 120
Sugar Land, TX 77478
Phone (281) 565-2020
1447 Highway 6
Ste 110
Sugar Land, TX 77478
Phone (281) 565-2020
Interoperability endpoints
- jameslai@houstoneye.direct.eyemdemr.com
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Houston Eye Associates Optical Center
- Optometrist
- Pearland, TX
- NPI 1720464191
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1127088000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1792713600000",
"number": "1699760447",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2855 GRAMERCY ST STE 400",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770251697",
"telephone_number": "713-668-6828"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2855 GRAMERCY ST",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770251635",
"telephone_number": "713-668-6828"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LAI",
"first_name": "JAMES",
"middle_name": "Z.",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-09-19",
"last_updated": "2026-10-23",
"certification_date": "2026-10-23",
"status": "A"
},
"taxonomies": [
{
"code": "207WX0110X",
"taxonomy_group": "",
"desc": "Ophthalmology, Pediatric Ophthalmology and Strabismus Specialist",
"state": "TX",
"license": "K8278",
"primary": false
},
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "TX",
"license": "K8278",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "jlai@houstoneye.emadirect.md",
"affiliation": "N",
"endpointDescription": "direct message address",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "2855 Gramercy St",
"city": "Houston",
"state": "TX",
"country_code": "US",
"postal_code": "770251635",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Houston, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.