William Klish, MD — NPI 1215017587
William Klish, MD’s National Provider Identifier is 1215017587. NPPES classifies this as a Type 1 individual record and reports a practice location in Houston, Texas. The primary taxonomy is Pediatric Gastroenterology Physician.
Key facts
- NPI
- 1215017587
- Entity type
- Type 1 individual
- NPPES status
- Active in the August 10, 2026 snapshot
- Practice location
- 6701 FANNIN ST
Houston, Texas 77030 - Practice telephone
- (832) 822-2778
- Primary taxonomy
- Pediatric Gastroenterology Physician
- Enumeration date
- October 17, 2006
- NPPES last update
- July 8, 2007
- Source
- CMS NPPES, NPPES Data Dissemination August 2026 V2
Questions answered by the NPPES record
What is the NPI for William Klish, MD?
The NPI listed for William Klish, MD in the NPPES snapshot is 1215017587. The number passes the NPI check-digit test and is recorded as active in that snapshot.
Is NPI 1215017587 an individual or organization record?
NPPES records NPI 1215017587 as an Entity Type 1 record, which CMS assigns to an individual health care provider.
Where is the reported practice location?
The primary practice location reported to NPPES is 6701 FANNIN ST, Houston, Texas 77030.
What taxonomy codes are listed for this NPI?
One taxonomy code is listed: Pediatric Gastroenterology Physician (2080P0206X), the primary taxonomy. Names come from the NUCC Health Care Provider Taxonomy code set version 26.1; definitions are not reproduced.
When was the NPPES record last updated?
NPPES reports a last update date of July 8, 2007 and an enumeration date of October 17, 2006, as published in NPPES Data Dissemination August 2026 V2.
Source and data date
All facts on this page come from the Centers for Medicare & Medicaid Services (CMS) NPPES data dissemination file NPPES Data Dissemination August 2026 V2, released August 10, 2026 (snapshot date 2026-08-10). The record was reproduced from the main provider file without edits; only the fields listed on the methodology page are published.
CMS updates NPPES continuously and this page reflects a single monthly snapshot. Confirm current details in the official NPPES NPI Registry.
Directory pages
This profile is listed on the Houston, Texas NPI directory and the Texas NPI directory.
Other published profiles in Houston, TX
Up to ten other profiles this site publishes for Houston, listed alphabetically. Appearing together here indicates only a shared reported practice city, not any affiliation or relationship. The city page lists all 50 published profiles.
Corrections and removal requests
To change the underlying record, the provider or an authorized representative must update it with CMS through the NPPES provider portal; this site cannot edit NPPES data. Changes appear here only after a later monthly file is processed.
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Independent service disclaimer
This directory is an independent, experimental publication of public NPPES fields. It is not affiliated with or endorsed by CMS, NPPES, Medicare, the American Medical Association, or the National Uniform Claim Committee. An NPI is an administrative identifier. Its presence here does not establish that a provider is licensed, credentialed, board certified, in good standing, accepting patients or insurance, employed by or affiliated with any organization, or currently practicing. Nothing on this page is medical, legal, or insurance advice.