Individual provider Active NPI

James Z. Lai, MD

  • Ophthalmology Physician
  • Houston, TX
National Provider Identifier
1699760447
Registry record updated Oct 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
K8278 Issued in TX
Practice address
2855 Gramercy St
Houston, TX 77025-1635
Phone
(713) 668-6828
NPI assigned
Sep 19, 2005
Last updated
Oct 23, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 23, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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

TypeEndpointUseAffiliation
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100712000140 TX Practitioner - Ophthalmology 9133015332 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Other, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hea Clinic PAGroup PAC ID 1254227440, 40 clinicians

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

LicenseStateTypeSpecialty
K8278TXMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hea Clinic PA Ophthalmology CurrentSince Oct 1, 1999 Accepting new patients
Hea Clinic, PA Ophthalmology CurrentSince Oct 1, 1999 Accepting new patients
Houston Optic PLLC PastSince Dec 15, 2020 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

  • Direct secure messaging: 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.

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

Verify at the official NPI Registry.