NPI age
17 years
Enumerated 2008-10-29
● Active
Type 1 · Individual
MR. John P. Oncken III, LMSW
Oncken is 1 of 310 social worker providers in San Antonio and 1 of 3645 in Texas.
Primary specialty
Social Worker
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2008-10-29
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 3645 active social worker providers in Texas.
NPI age
17 years
↑ 12 yr above median (5 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
0
10% of peers hold subspecialties
NPI lifetime · 2008 → 2026
2008-10Enumerated in NPPES
2008
2026
Where they practice
Practice location
5788 Eckhert Rd
San Antonio, TX 782403900
Mailing address
5788 Eckhert Rd
San Antonio, TX 782403900
Specialties
-
Social Worker PrimaryA social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and...
Practice context
Part of a multi-provider practice. 117 other active providers share this practice address in NPPES.
Recently enumerated nearby: 11 new social worker providers have been added in San Antonio in the last 180 days.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.