Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William C Janss, MD

Individual provider Internal Medicine Physician · NPI 1558377325

William C Janss, MD is an Internal Medicine Physician in El Paso, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

221 N Kansas St Ste 1501
El Paso, TX 79901-1443
Phone: (915) 546-9200
Fax: (915) 546-9800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence K4462 (TX)
Family Medicine Physician Taxonomy 207Q00000X · Licence K4462 (TX)

Record details

NPI number1558377325
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESApril 14, 2015

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