Doctor profile · Federal record

Dr. William McCaw, PSY.D.

Psychologist (CMS: Clinical Psychologist) · Tacoma, WA

  • NPI 1831683895
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1530 South Union Avenue, Suite 16
Tacoma, WA 984051954
(253) 752-7320
fax (253) 756-0427
Mailing address
1530 S Union Ave Ste 16
Tacoma, WA 984051954

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
Washington #PY60847168

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831683895. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
383
Distinct HCPCS
2
Medicare allowed
$51,804
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 371 25 $134
90791 Psychiatric diagnostic evaluation 12 12 $173

In context: peer comparison

Among 4 peers in Tacoma Psychologist, average services per provider: 122. This provider delivers 3.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William McCaw's medical specialty?
Dr. William McCaw practices Psychologist in Tacoma, WA.
Where does Dr. William McCaw practice?
Dr. William McCaw practices at 1530 South Union Avenue, Tacoma, WA 984051954. Office phone: 2537527320.
What is Dr. William McCaw's NPI?
Dr. William McCaw's National Provider Identifier (NPI) is 1831683895, issued by NPPES.
Does Dr. William McCaw accept Medicare assignment?
Yes. Dr. William McCaw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William McCaw commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.