Individual provider Active NPI

Mallika Tyagi, MD

  • Ophthalmology Physician
  • Houston, TX
National Provider Identifier
1922949072
Registry record updated Apr 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
42284195 Issued in TX
Practice address
6400 Fannin St Ste 1800
Houston, TX 77030-1526
Phone
(713) 500-4472
Fax
(713) 512-7203
NPI assigned
Apr 2, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 42284195 TX Primary

Addresses

Primary practice location

6400 Fannin St Ste 1800
Houston, TX 77030-1526

Mailing address

10103 Pickfair Dr
Austin, TX 78750-3907

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
42284195TXMDOphthalmology Physician

NPI Registry JSON

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

{
    "created_epoch": "1775088000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1922949072",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10103 PICKFAIR DR",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787503907"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6400 FANNIN ST STE 1800",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301526",
            "telephone_number": "713-500-4472",
            "fax_number": "713-512-7203"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TYAGI",
        "first_name": "MALLIKA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-04-02",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "TX",
            "license": "42284195",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "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 Apr 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.