Marissa Erin Gray, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

11197TG Issued in TX

Practice address

8503 N Sam Houston Pkwy E
Humble, TX 77396-2925

Phone

(346) 674-3500

NPI assigned

Jun 24, 2024

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

University of Houston - College of Optometry, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kelsey-Seybold Medical Group, PLLCGroup PAC ID 9739093527, 941 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mgray203522@direct.kelsey-seybold.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Kelsey-Seybold Medical Group, PLLC

  • Multi-Specialty Clinic/Center
  • Houston, TX
  • NPI 1013915255
  Medicare reassignment Care Compare group NPD
• Eye Center of Texas LLP

  • Specialist
  • Bellaire, TX
  • NPI 1720174485
  Medicare reassignment NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1719187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1083458178",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11511 SHADOW CREEK PKWY",
            "city": "PEARLAND",
            "state": "TX",
            "postal_code": "775847298",
            "telephone_number": "713-442-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8503 N SAM HOUSTON PKWY E",
            "city": "HUMBLE",
            "state": "TX",
            "postal_code": "773962925",
            "telephone_number": "346-674-3500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRAY",
        "first_name": "MARISSA",
        "middle_name": "ERIN",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-06-24",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "TX",
            "license": "11197TG",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paula Miranda Graves
• Whitney Cynthia Graves, M.ED, LPC
• Chelsea Gray
• Elbert F Gray
• Jouvonna Lynette Gray, FNP
• Wilhelmina Gray
• Great American Medical Supply LLC
• Great American Scooter Company of Humble LLC
• Greater Houston Kidney Clinic PA
• Greater Houston Pediatric Dentistry - Humble, PLLC

• Optometrist in Humble, TX
• Providers in Humble, TX by specialty
• Optometrist in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2025; 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.

Verify at the official NPI Registry.