Individual provider Active NPI

Ayah Hamza, DO

  • Pediatrics Physician
  • Napa, CA
National Provider Identifier
1528631892
Registry record updated Jan 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
23444 Issued in CA
Practice address
300 Hartle CT
Napa, CA 94559-4078
Phone
(707) 254-1775
NPI assigned
Jul 23, 2021
Reactivated
May 1, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 9, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X V2094 TX
Pediatrics Physician 208000000X 23444 CA Primary

Addresses

Primary practice location

300 Hartle CT
Napa, CA 94559-4078

Mailing address

11511 Shadow Creek Pkwy
Pearland, TX 77584-7298
Phone (713) 442-0000

Other practice location 1

333 N Santa Rosa
San Antonio, TX 78207-3108
Phone (210) 704-4100

Other practice location 2

2727 W Holcombe Blvd
Houston, TX 77025-1669
Phone (713) 442-0000

Other practice location 3

301 8th St
Galveston, TX, TX 77550
Phone (409) 772-1011

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, CA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20240708002971 TX Practitioner - Pediatric Medicine 1658816269 Reassigns benefits to 2 organizations
I20260209001059 CA Practitioner - Pediatric Medicine 1658816269 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
Other, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

2080 E 20TH St
Suite 100
Chico, CA 95928-7702

2080 E 20TH St
Suite 100
Chico, CA 95928-7704

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
V2094TXMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kelsey-Seybold Medical Group, PLLC Pediatrics CurrentSince Nov 18, 2024 Accepting new patients
Enloe Medical Center CurrentSince Dec 30, 2025 Accepting new patients
Baylor College of Medicine Pediatrics CurrentSince Jul 1, 2024 Accepting new patients
Enloe Medical Center CurrentSince Dec 30, 2025 Accepting new patients
Kauai Veterans Memorial Hospital Past Accepting new patients
Samuel Mahelona Memorial Hospital Past Accepting new patients
Enloe Medical Center Past Accepting new patients

Locations

1600 Esplanade
Ste C
Chico, CA 95926
Phone (530) 332-4470

2727 W Holcombe Blvd
Houston, TX 77025
Phone (713) 790-9412

201 Enterprise Ave
Ste 900
League City, TX 77573
Phone (713) 442-2826

7010 Highway 6
Missouri City, TX 77459
Phone (713) 442-4200

2515 Business Center Dr
Pearland, TX 77584
Phone (713) 442-7200

11511 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 442-4997

333 N Santa Rosa
San Antonio, TX 78207
Phone (210) 704-2190

Interoperability endpoints

  • Direct secure messaging: ahamza95214@direct.kelsey-seybold.com

Organizations & group practices 7

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.

NPI Registry JSON

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

{
    "created_epoch": "1626998400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736380800000",
    "number": "1528631892",
    "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": "300 HARTLE CT",
            "city": "NAPA",
            "state": "CA",
            "postal_code": "945594078",
            "telephone_number": "707-254-1775"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "333 N Santa Rosa",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782073108",
            "country_code": "US",
            "telephone_number": "210-704-4100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2727 W Holcombe Blvd",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770251669",
            "country_code": "US",
            "telephone_number": "713-442-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "301 8th St",
            "address_purpose": "LOCATION",
            "city": "Galveston, TX",
            "state": "TX",
            "postal_code": "77550",
            "country_code": "US",
            "telephone_number": "409-772-1011",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAMZA",
        "first_name": "AYAH",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-07-23",
        "last_updated": "2025-01-09",
        "certification_date": "2025-01-09",
        "deactivation_date": "2022-11-17",
        "reactivation_date": "2023-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "TX",
            "license": "V2094",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "23444",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Napa, CA

Sources for this page

Verify at the official NPI Registry.