Doctor profile · Federal record
Dr. William Tsushima, PH.D.
Clinical Psychologist · Honolulu, HI
- NPI 1548332687
- Accepts Medicare
- MIPS 86.2 / 100 · 2023
- 59 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1100 Ward Ave, Suite 840
Honolulu, HI 968141600
(808) 522-4000
fax (808) 522-3526
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- March 19, 2012
- Year of graduation
- 1967 — 59 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- Hawaii #PSY-52
- Medicaid
- HI #049576 01
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548332687. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
218
Distinct HCPCS
4
Medicare allowed
$25,459
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 145 | 27 | $131 | |
90832 |
Psychotherapy, 30 minutes | 44 | 14 | $67 | |
90834 |
Psychotherapy, 45 minutes | 15 | 11 | $89 | |
90791 |
Psychiatric diagnostic evaluation | 14 | 14 | $153 |
In context: peer comparison
Among 3 peers in Honolulu Clinical Psychologist, average services per provider: 52. This provider delivers 4.2× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. William Tsushima's medical specialty?
Dr. William Tsushima practices Clinical Psychologist in Honolulu, HI.
Where does Dr. William Tsushima practice?
Dr. William Tsushima practices at 1100 Ward Ave, Honolulu, HI 968141600. Office phone: 8085224000.
What is Dr. William Tsushima's NPI?
Dr. William Tsushima's National Provider Identifier (NPI) is 1548332687, issued by NPPES.
Does Dr. William Tsushima accept Medicare assignment?
Yes. Dr. William Tsushima accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Tsushima commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90832); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.