Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

O'Neill & Associates PA

Organization Specialist · NPI 1366472250

O'Neill & Associates PA provides Specialist services in San Antonio, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1303 McCullough Ave 125
San Antonio, TX 78212-5609 Not confirmed with CMS for 18 years — call before visiting
Phone: (210) 223-5543
Fax: (210) 223-6830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence R06817 (TX)

Record details

NPI number1366472250
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marvin Belasco — President · (210) 223-5543
NPI enumeratedJuly 4, 2006
Last updated in NPPESJuly 10, 2008
Mailing address1303 McCullough Ave, 125, San Antonio, TX 78212-5609

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