Ken Matsumoto, M.D.
NPI 1225187222 · Psychiatry Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ken Matsumoto, M.D. is a Psychiatry Physician provider in Honolulu, HI (NPI 1225187222).
Provider details
- NPI number
- 1225187222
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD-9851 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 282 | 30 |
| Risperidone | 161 | 17 |
| Clozapine | 151 | — |
| Benztropine Mesylate | 149 | 16 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 118 | — |
| Haloperidol Decanoate | 115 | — |
| Quetiapine Fumarate | 67 | 12 |
| Aripiprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-09
- Last updated
- 2008-06-06
Frequently asked questions
- What is Ken Matsumoto's NPI number?
- Ken Matsumoto's National Provider Identifier (NPI) is 1225187222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ken Matsumoto's specialty?
- Ken Matsumoto is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ken Matsumoto located?
- Ken Matsumoto's practice location on file with NPPES is 1700 Lanakila Ave, Honolulu, HI 96817-2115.
- What is Ken Matsumoto's phone number?
- The practice phone number listed in the NPPES registry for Ken Matsumoto is (808) 832-3823.
- Does Ken Matsumoto accept Medicare?
- Ken Matsumoto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ken Matsumoto's NPI active?
- Yes — Ken Matsumoto's NPI (1225187222) is active in the NPPES registry as of the last update on 2008-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.