DR. WILLIAM T. TSUSHIMA PH.D.
NPI 1548332687
Psychologist - Clinical in Honolulu, HI
About Dr. William T. Tsushima Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM T. TSUSHIMA PH.D. (NPI 1548332687) is an individual clinical provider in Honolulu, Hawaii, licensed in Hawaii (PSY-52) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Straub Clinic And Hospital, and is a graduate of Other (1967).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. William T. Tsushima Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Tsushima reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 664 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Straub Clinic And Hospital
Acute Care Hospitals · Honolulu, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96814 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96814
HONOLULU, HI 96814
HONOLULU, HI 96814
HONOLULU, HI 96814
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Tsushima's NPI number?
The NPI number for William Tsushima is 1548332687. It was assigned to this individual provider in the NPPES registry on November 14, 2006.
Where is William Tsushima located?
William Tsushima practices at 1100 Ward Ave Suite 840, Honolulu, HI 96814. The listed phone number is (808) 522-4000.
What is William Tsushima's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is William Tsushima enrolled in Medicare?
Yes. William Tsushima is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Tsushima's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Tsushima reassigns Medicare benefits to Straub Clinic & Hospital (Honolulu, HI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Tsushima's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Tsushima accept?
Health plans from HMSA list William Tsushima as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Tsushima affiliated with any hospitals?
According to CMS data, William Tsushima is affiliated with Straub Clinic And Hospital.
When was this NPI record last updated?
The NPPES record for William Tsushima was last updated on March 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. William T. Tsushima, PH.D. · NPI 1548332687
Clinical provider in Honolulu, Hawaii. Individual provider, active in the CMS NPPES registry since November 14, 2006.
## Identity
- **NPI:** 1548332687 (Entity type: Individual)
- **Enumerated:** November 14, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PSY-52 (Hawaii)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 WARD AVE, SUITE 840, Honolulu, HI 96814-1600
- **Phone:** (808) 522-4000 · **Fax:** (808) 522-3526
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Straub Clinic & Hospital (NPI 1457306508, Honolulu, HI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1967
## Record status
- **NPPES last updated:** March 19, 2012
- **Other identifiers:** Medicare UPIN R75202 (HI); Other 9511444 (HI); Medicaid 049576 01 (HI); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1548332687) · Data from the CMS NPPES public registry.