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

Isela Arrieta Werchan, MD

Individual provider Addiction Medicine (Preventive Medicine) Physician · NPI 1952664427

Isela Arrieta Werchan, MD is an Addiction Medicine (Preventive Medicine) Physician in Austin, Texas. Works from 2 locations. Licensed in Texas.

Licensed in
TX
In the registry since
2012
Specialties on file
3
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

601 E 15th St
Austin, TX 78701-1930
Phone: (512) 324-2000
Show map & directions

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

Additional practice locations (1)

  • 7307 Creekbluff Dr, Austin, TX 78750-8203 — (512) 244-4272

Specialties & licences

Addiction Psychiatry Physician (primary) Taxonomy 2084P0802X · Licence Q6480 (TX)
Addiction Medicine (Preventive Medicine) Physician Taxonomy 2083A0300X · Licence Q6480 (TX)
Psychiatry Physician Taxonomy 2084P0800X · Licence Q6480 (TX)

Record details

NPI number1952664427
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2012
Last updated in NPPESJuly 28, 2026
Certification dateJuly 28, 2026