NPPES file of Aug 9, 2026

Westwater Diagnostics PLLC in Houston, TX

This location of Westwater Diagnostics bills under NPI 1003413139, an organization record issued on Oct 1, 2020 with the primary taxonomy Anatomic Pathology & Clinical Pathology Physician. It is one of 2 NPIs registered under this name and one of 2 in Houston; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1003413139
Legal name
Westwater Diagnostics PLLC
Entity
Type 2 · organization
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
Practice location
3732 GLEN HAVEN BLVD, Houston, TX 77025
Phone
713-559-6929
Enumerated
Oct 1, 2020
Record updated
Feb 9, 2026
Authorized official
Authorizing Official (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other Houston NPI

  1. Westwater Diagnostics PLLC407 E 25TH ST · issued May 9, 20231417647819

2 clinicians CMS lists with Westwater Diagnostics in Houston

  1. Mhair Dekmezian, MDAnatomic Pathology & Clinical Pathology Physician1518301613
  2. Roupen Dekmezian, MDAnatomic Pathology & Clinical Pathology Physician1285638668

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 2 Westwater Diagnostics NPIs

Every location registered under this name, in 1 city.

See every location

Checking an organization

  1. Confirm the business with the Texas secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Which Houston NPI should I use?

Ask the office which NPI it bills under; all 2 Houston NPIs are registered under the same name.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.