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

John Dewey Whisenant, MD

Individual provider Emergency Medicine Physician · NPI 1457341752

John Dewey Whisenant, MD is an Emergency Medicine Physician in San Marcos, Texas. Licensed in Texas. Registered with an NPI since 2005.

Licensed in
TX
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1301 Wonder World Dr
San Marcos, TX 78666-7533
Phone: (512) 753-3796
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G5765 (TX)

Record details

NPI number1457341752
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 27, 2005
Last updated in NPPESMarch 25, 2008

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