NPIMap

Organization Active NPI

Westwater Diagnostics PLLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Houston, TX
National Provider Identifier
1003413139
Registry record updated Feb 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
Legal business name
WESTWATER DIAGNOSTICS PLLC
Practice address
3732 Glen Haven Blvd
Houston, TX 77025-1205
Phone
(713) 559-6929
Fax
(713) 559-6928
NPI assigned
Oct 1, 2020
Last updated
Feb 9, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 9, 2026

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

Authorized official

Name
Mhair Dekmezian, MDNPI 1518301613
Title
Authorizing Official
Phone
(713) 559-6929

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X NU Primary

Addresses

Primary practice location

3732 Glen Haven Blvd
Houston, TX 77025-1205

Mailing address

3732 Glen Haven Blvd
Houston, TX 77025-1205
Phone (713) 559-6929

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20201110000780 TX Part B Supplier - Clinic/Group Practice 7113337742 Receives reassigned benefits from 6 practitioners
Practice locations: Houston, TX; Benbrook, TX; Baytown, TX

National Provider Directory

National Provider Directory
Tax ID family
Westwater Diagnostics LLC2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

Ownership & related parties

Subparts reporting this organization as parent 1

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

Practitioners & affiliated clinicians

Practitioners 20

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 20

NPI Registry JSON

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

{
    "created_epoch": "1601510400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770595200000",
    "number": "1003413139",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3732 GLEN HAVEN BLVD",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770251205",
            "telephone_number": "713-559-6929",
            "fax_number": "713-559-6928"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3732 GLEN HAVEN BLVD",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770251205",
            "telephone_number": "713-559-6929",
            "fax_number": "713-559-6928"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WESTWATER DIAGNOSTICS PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-10-01",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A",
        "authorized_official_last_name": "DEKMEZIAN",
        "authorized_official_first_name": "MHAIR",
        "authorized_official_title_or_position": "AUTHORIZING OFFICIAL",
        "authorized_official_telephone_number": "713-559-6929",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "NU",
            "license": null,
            "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 Feb 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.