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

Mr. William N Mackey, LCSW

Individual provider Clinical Social Worker · NPI 1740662956

Mr. William N Mackey, LCSW is a Clinical Social Worker in San Antonio, Texas. Licensed in Texas. Registered with an NPI since 2015.

Licensed in
TX
In the registry since
2015
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

7272 Wurzbach Rd Ste 601
San Antonio, TX 78240-4801 Not confirmed with CMS for 11 years — call before visiting
Phone: (210) 615-3483
Fax: (210) 593-9863
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 37608 (TX)

Record details

NPI number1740662956
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 24, 2015
Last updated in NPPESJune 24, 2015

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients69
Services billed 986 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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