William Klish, MD
NPI 1215017587 · Pediatric Gastroenterology Physician · Houston, TX
William Klish, MD is a Pediatric Gastroenterology Physician provider in Houston, TX (NPI 1215017587).
Provider details
- NPI number
- 1215017587
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E3979 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Klish's NPI number?
- William Klish's National Provider Identifier (NPI) is 1215017587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Klish's specialty?
- William Klish is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Klish located?
- William Klish's practice location on file with NPPES is 6701 Fannin St, Houston, TX 77030-2316.
- What is William Klish's phone number?
- The practice phone number listed in the NPPES registry for William Klish is (832) 822-2778.
- Is William Klish's NPI active?
- Yes — William Klish's NPI (1215017587) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.