Wilhelm Leonard Castellon

Internal medicine physician in Plainview, Texas · NPI 1821471327

Wilhelm Castellon is one of 9 internal medicine physicians practicing in Plainview, Texas. Wilhelm Castellon practices with Hospitalist Medicine Physicians Of Texas PLLC.

Registry record (NPPES)

NPI: 1821471327
Type: Type 1 · Individual
Primary taxonomy: Internal Medicine · 207R00000X
Address on file: 24 Doctors Ln
Clarion, PA 16214-8568
(814) 226-2500
Enumerated: Jul 1, 2015
Record last updated: May 16, 2023
License states listed: PA, TX

Medicare (CMS)

Enrollment: Medicare-enrolled in OH, TX
Internal Medicine
Revalidation due: No date set by CMS

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

2601 Dimmitt Rd
Plainview, TX 79072
(806) 296-5531

More internal medicine physicians in Plainview

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.