Doctor profile · Federal record

Dr. Mary McNaughton-Cassill, PH.D.

Clinical Psychologist · San Antonio, TX

  • NPI 1164682183
  • 18 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 E Sonterra Blvd, Suite 230
San Antonio, TX 782584054
(210) 545-6860
fax (210) 545-6869

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Texas #25229

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164682183. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
468
Distinct HCPCS
3
Medicare allowed
$45,458
HCPCS Description Services Patients Avg allowed
90832 Psychotherapy, 30 minutes 195 74 $73
90834 Psychotherapy, 45 minutes 169 54 $97
90837 Psychotherapy, 1 hour 104 33 $142

In context: peer comparison

Among 37 peers in San Antonio Clinical Psychologist, average services per provider: 175. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary McNaughton-Cassill's medical specialty?
Dr. Mary McNaughton-Cassill practices Clinical Psychologist in San Antonio, TX.
Where does Dr. Mary McNaughton-Cassill practice?
Dr. Mary McNaughton-Cassill practices at 325 E Sonterra Blvd, San Antonio, TX 782584054. Office phone: 2105456860.
What is Dr. Mary McNaughton-Cassill's NPI?
Dr. Mary McNaughton-Cassill's National Provider Identifier (NPI) is 1164682183, issued by NPPES.
What procedures does Dr. Mary McNaughton-Cassill commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90832); Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.