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

Mr. John P. Oncken III, LMSW

Individual provider Social Worker · NPI 1750534103

Mr. John P. Oncken III, LMSW is a Social Worker in San Antonio, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2008
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

5788 Eckhert Rd
San Antonio, TX 78240-3900
Phone: (210) 699-2152
Fax: (210) 699-2257
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 42167 (TX)

Record details

NPI number1750534103
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedOctober 29, 2008
Last updated in NPPESOctober 29, 2008

Other providers in San Antonio