Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. RYAN WILLIAMSON PHARMD
NPI 1932042694
Pharmacist in Houston, TX

Active since April 09, 2026
6565 FANNIN ST, HOUSTON, TX 77030(507) 269-5732 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 1, 2026, Apr 9, 2026 (2 updates tracked since 2026).

About Dr. Ryan Williamson Pharmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RYAN WILLIAMSON PHARMD (NPI 1932042694) is an individual pharmacist in Houston, Texas, licensed in Texas (77737) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1932042694
Entity TypeIndividualMale
Primary Taxonomy183500000X
Provider Legal NameDR. RYAN WILLIAMSONCredential: PHARMD
Location Address6565 FANNIN STHouston, TX 77030-2703
Mailing Address6565 Fannin StHouston, TX 77030-2703 · (713) 790-3311
Sole ProprietorNo
Enumeration DateApril 9, 2026
Last NPPES UpdateSeptember 1, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
NPI 1932042694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
License Licensed in TX · 77737
Definition
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
6565 FANNIN ST, Houston, TX 77030

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist/Technologist, Pathology
6565 FANNIN ST, MS205
HOUSTON, TX 77030
Registered Nurse
6565 FANNIN ST
HOUSTON, TX 77030
Anesthesiology
6565 FANNIN ST
HOUSTON, TX 77030
Pathology (Anatomic Pathology & Clinical Pathology)
6565 FANNIN ST
HOUSTON, TX 77030
Internal Medicine (Nephrology)
6565 FANNIN ST, FONDREN 270
HOUSTON, TX 77030
Nurse Practitioner (Acute Care)
6565 FANNIN ST
HOUSTON, TX 77030
Anesthesiology
6565 FANNIN ST
HOUSTON, TX 77030
Hospitalist
6565 FANNIN ST
HOUSTON, TX 77030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Williamson's NPI number?

The NPI number for Ryan Williamson is 1932042694. It was assigned to this individual provider in the NPPES registry on April 9, 2026.

Where is Ryan Williamson located?

Ryan Williamson practices at 6565 Fannin St, Houston, TX 77030. The listed phone number is (507) 269-5732.

What is Ryan Williamson's specialty?

The primary specialty registered for this NPI is Pharmacist with taxonomy code 183500000X.

When was this NPI record last updated?

The NPPES record for Ryan Williamson was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.