Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Advanced Research and Diagnostics Pllc

Anatomic Pathology & Clinical Pathology Physician in Houston, TX · enumerated 2022 · authorized official Ahsan Siddiqi, Ceo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1912636986

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Registry record

Entity type Organization (Type 2)

Legal business name Advanced Research and Diagnostics Pllc

Practice address 12000 Richmond Ave Ste 150, Houston, TX, 77082

Phone (713) 291-3546

Fax (713) 575-3746

Enumeration date Jun 6, 2022

Last updated in NPPES Sep 7, 2023

Taxonomy & classification

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Ahsan Siddiqi

Title Ceo

Phone (713) 291-3546

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Advanced Research and Diagnostics Pllc located?

The practice location on file with NPPES is in Houston, TX.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2023-09-07. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-07.