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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. TIMOTHY DENNIS CASSIDY D.O.
NPI 1861465445
Internal Medicine - Gastroenterology in Lackland A F B, TX

Active since February 13, 2006
2200 BERGQUIST DR, ATTN: CREDENTIALS (CMS), LACKLAND A F B, TX 78236(210) 292-6707(210) 292-7964 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Timothy Dennis Cassidy D.o. NPPES

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

DR. TIMOTHY DENNIS CASSIDY D.O. (NPI 1861465445) is an individual gastroenterology provider in Lackland A F B, Texas, licensed in Alaska (4404) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1861465445
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. TIMOTHY DENNIS CASSIDYCredential: D.O.
Location Address2200 BERGQUIST DR, ATTN: CREDENTIALS (CMS)Lackland A F B, TX 78236-9907
Mailing Address2200 Bergquist Dr, Attn: Credentials (cms)Lackland A F B, TX 78236-9908 · (210) 292-6707 · Fax (210) 292-7964
Phone(210) 292-6707
Fax(210) 292-7964
Sole ProprietorNo
Enumeration DateFebruary 13, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1861465445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in AK · 4404
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2200 BERGQUIST DR, Lackland A F B, TX 78236
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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.

DR. ALTON POWELL III MD
Preventive Medicine (Aerospace Medicine)
2200 BERGQUIST DR, SUITE 1 (ATTN:CREDENTIALS (CMC))
LACKLAND A F B, TX 78236
Bexar County (210) 292-6707
EMILY NELL PAVLIK MD
Emergency Medicine
2200 BERGQUIST DR, WILFORD HALL MED CTR, STE 1,DEPT. OF EMERGENCY MEDICINE
LACKLAND A F B, TX 78236
Bexar County (210) 292-7331
DR. BRIAN THOMAS CALLAHAN M.D.
Radiology (Diagnostic Radiology)
2200 BERGQUIST DR
LACKLAND A F B, TX 78236
Bexar County (210) 292-2205
DR. JAMES CLAUD CHAPMAN O.D.
Optometrist
2200 BERGQUIST DR, ATTN: CREDENTIALS (CMC)
LACKLAND A F B, TX 78236
Bexar County (210) 292-2651
DEREK KURT URBAN MD
Radiology (Diagnostic Radiology)
2200 BERGQUIST DR, SUITE 1
LACKLAND A F B, TX 78236
Bexar County (210) 292-6707
DR. DANIEL JAMES SMITH DMD
Dentist
2200 BERGQUIST DR, SUITE 1
LACKLAND A F B, TX 78236
Bexar County (210) 292-7749
DR. LOUIS D. ELDREDGE M.D.
Preventive Medicine (Aerospace Medicine)
2200 BERGQUIST DR, ATTN: CREDENTIALS (CMC)
LACKLAND A F B, TX 78236
Bexar County (210) 536-6931
DR. ALEX A DEPERALTA JR. D.D.S.
Dentist (General Practice)
2200 BERGQUIST DR, SUITE 1
LACKLAND A F B, TX 78236
Bexar County (210) 292-7876

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 Timothy Cassidy's NPI number?

The NPI number for Timothy Cassidy is 1861465445. It was assigned to this individual provider in the NPPES registry on February 13, 2006.

Where is Timothy Cassidy located?

Timothy Cassidy practices at 2200 Bergquist Dr Attn: Credentials (cms), Lackland A F B, TX 78236. The listed phone number is (210) 292-6707.

What is Timothy Cassidy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Timothy Cassidy was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.