NPPES file of Aug 9, 2026

Peter Y. Yamamoto, M.D.

Psychiatry Physician · Waianae, HI

Peter Y. Yamamoto, M.D. is a psychiatry physician with a practice address in Waianae, Hawaii, and NPI 1386796589, issued on Jan 17, 2007. Check the license (Hawaii MD-12004, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386796589
Name
Peter Y. Yamamoto
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
MD-12004 HI
Self-reported in NPPES; status is on the state search
Practice location
86-226 Farrington Hwy, Waianae, HI 96792
Phone
(808) 696-4211
Enumerated
Jan 17, 2007
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(808) 696-5516
Medicaid ID
0053794601 HI
Medicare enrollment
Enrolled (PECOS I20090504000581); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 86-226 Farrington Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bridget AbellMental Health Counselor1053562645
  2. Fredrene CaminosCase Manager/Care Coordinator1437612371
  3. Shirley Davenport, MSWMental Health Counselor1396897666
  4. Christine HalemanoMental Health Counselor1063969731
  5. Skyla Hammond, LMHCProfessional Counselor1952865305
  6. Rayvanne Hokoana-MatthewsMental Health Counselor1063663631

Verify Peter Y. Yamamoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-12004
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

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40% more Medicare Part D claims than the average psychiatry physician in 2024

1,399 Medicare Part D claims for 55 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Peter Yamamoto1,399
  2. Specialty average1,000

Most prescribed

  1. Olanzapine155 claims
  2. Clozapine146 claims
  3. Divalproex Sodium Er132 claims
  4. Aripiprazole115 claims
  5. Quetiapine Fumarate100 claims
  6. Invega Sustenna93 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.

Industry payments in 2024: $2,384.04

53 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Yamamoto$2,384.04
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Alcoholic Rehabilitation Services OF Hawaii IncKaneohe, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Peter Y. Yamamoto among 331 psychiatry physician records in Hawaii

Peter Y. Yamamoto, M.D. is one of 331 psychiatry physician records with a practice address in Hawaii. 60% 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 38% of them.

  • NPI issued2007 · 38% of these records are older, 43% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated1997 · median 2003 among the 110 with a school on file
  • Record last updated2007 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 psychiatry physician records list a practice address in Waianae

They are 4 of the 440 NPPES records with a practice address in Waianae, and 331 psychiatry physician records in Hawaii.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Minh-Duc Huynh, D.O.Waianae, HI 967921689128738
  2. Jin Lee, DOWaianae, HI 967921508492448
  3. Donald Simpson, M.D.Waianae, HI 967921275916207
  4. Jason Andrus, MDWailuku, HI 967931629148713
  5. Jon Betwee, M.D.Wailuku, HI 967931699852467
  6. Leslie Gise, MDWailuku, HI 967931245239946
  7. Heather Goff, MDWailuku, HI 967931982793600
  8. Bettina Haerer, M.D.Wailuku, HI 967931124193578

Common questions

What is Peter Y. Yamamoto, M.D.'s NPI number?

Peter Y. Yamamoto, M.D.'s National Provider Identifier (NPI) is 1386796589, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Peter Y. Yamamoto, M.D. located?

The NPPES record lists a practice address at 86-226 Farrington Hwy, Waianae, HI, 96792. Phone: (808) 696-4211. Providers update this record themselves, so call before visiting.

How can I verify Peter Y. Yamamoto, M.D.'s license?

NPPES lists Hawaii license number MD-12004, 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 Peter Y. Yamamoto, M.D. prescribe under Medicare Part D?

In 2024, Peter Y. Yamamoto, M.D. had 1,399 Medicare Part D claims for 55 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.