Reid Hamamoto, M.D.
Child & Adolescent Psychiatry Physician · Kapaa, HI
Reid Hamamoto, M.D. is a child & adolescent psychiatry physician with a practice address in Kapaa, Hawaii, and NPI 1386854545, issued on May 23, 2007. Check the license (Hawaii 14097, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Reid Hamamoto
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 14097 HI
Self-reported in NPPES; status is on the state search - Practice location
- 4-885 Kuhio Hwy # A1, Kapaa, HI 96746
- Phone
- (888) 594-0049
- Enumerated
- May 23, 2007
- Record last updated
- Aug 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (888) 592-2998
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 57 in Hawaii → Look up another NPI →
Verify Reid Hamamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 14097Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
187 Medicare Part D claims for 12 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Fluvoxamine Maleate22 claims
- Mirtazapine20 claims
- Bupropion Xl16 claims
- Invega Sustenna15 claims
- Lurasidone Hcl13 claims
- Vraylar13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Reid Hamamoto among 57 child & adolescent psychiatry physician records in Hawaii
Reid Hamamoto, M.D. is one of 57 child & adolescent psychiatry physician records with a practice address in Hawaii. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 25% of them.
- NPI issued2007 · 25% of these records are older, 37% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileNo · 37% of these records are
- Record last updated2014 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Hawaii
There are 57 child & adolescent psychiatry physician records in Hawaii.
All 57 in Hawaii → Every provider in Kapaa → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Kent Booher, M.D.Kaneohe, HI 967441477675478
- Kim Nguyen, M.D.Kailua, HI 967341609262344
- Elodie Imonen, D.O.Honokaa, HI 967271063617132
- Raymond Wertheim, M.D.Honokaa, HI 967271427277714
- Chia Granda, M.D.Lihue, HI 967661750509253
- Ian Chun, MDHilo, HI 967201013119700
- Herbert Williams, MDHilo, HI 967201346321783
- Olga Briklin, M.D.Ewa Beach, HI 967061629416391
Common questions
What is Reid Hamamoto, M.D.'s NPI number?
Reid Hamamoto, M.D.'s National Provider Identifier (NPI) is 1386854545, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Reid Hamamoto, M.D. located?
The NPPES record lists a practice address at 4-885 Kuhio Hwy # A1, Kapaa, HI, 96746. Phone: (888) 594-0049. Providers update this record themselves, so call before visiting.
How can I verify Reid Hamamoto, M.D.'s license?
NPPES lists Hawaii license number 14097, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Reid Hamamoto, M.D. prescribe under Medicare Part D?
In 2024, Reid Hamamoto, M.D. had 187 Medicare Part D claims for 12 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.