Jayson Takeji Masaki, M.D.
Psychiatry Physician · Mililani, HI
Jayson Takeji Masaki, M.D. is a psychiatry physician with a practice address in Mililani, Hawaii, and NPI 1972985588, issued on Jun 19, 2015. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jayson Takeji Masaki
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 125066569 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 Kahelu Ave Ste 232, Mililani, HI 96789
- Phone
- (808) 207-9800
- Enumerated
- Jun 19, 2015
- Record last updated
- Jul 22, 2025
- Fax
- (725) 215-9036
- Medicare enrollment
- Enrolled (PECOS I20201110000930); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 331 in Hawaii → Look up another NPI →
Also registered at 100 Kahelu Ave Ste 232
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caroline Buisson, APRNPsychiatric/Mental Health Nurse Practitioner1184429987
- Madelyn Butac-Roeske, PSY.D.Clinical Psychologist1932731767
- Raena CasugaPsychiatric/Mental Health Nurse Practitioner1386461119
- Dave Fields, PMHNPPsychiatric/Mental Health Nurse Practitioner1598423964
- Janelle IgeClinical Social Worker1447082870
- Lisa Jicha, LCSW, CSACClinical Social Worker1356515498
Verify Jayson Takeji Masaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average psychiatry physician in 2024
405 Medicare Part D claims for 56 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Olanzapine28 claims
- Quetiapine Fumarate25 claims
- Haloperidol23 claims
- Haloperidol Lactate22 claims
- Hydroxyzine Pamoate21 claims
- Divalproex Sodium Er20 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: $383.09
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
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
- Fields Psychiatric Consultants LLCMililani, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jayson Takeji Masaki among 331 psychiatry physician records in Hawaii
Jayson Takeji Masaki, 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 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2013 · median 2003 among the 110 with a school on file
- Record last updated2025 · 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).
Psychiatry Physician providers in Hawaii
There are 331 psychiatry physician records in Hawaii.
All 331 in Hawaii → Every provider in Mililani → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Philip Bohnert, MDMililani, HI 967891114990256
- Gerald Evans, M.D.Mililani, HI 967891164697751
- Minh-Duc Huynh, D.O.Waianae, HI 967921689128738
- Jin Lee, DOWaianae, HI 967921508492448
- Donald Simpson, M.D.Waianae, HI 967921275916207
- Peter Yamamoto, M.D.Waianae, HI 967921386796589
- Jon Betwee, M.D.Wailuku, HI 967931699852467
- Leslie Gise, MDWailuku, HI 967931245239946
Common questions
What is Jayson Takeji Masaki, M.D.'s NPI number?
Jayson Takeji Masaki, M.D.'s National Provider Identifier (NPI) is 1972985588, issued on Jun 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jayson Takeji Masaki, M.D. located?
The NPPES record lists a practice address at 100 Kahelu Ave Ste 232, Mililani, HI, 96789. Phone: (808) 207-9800. Providers update this record themselves, so call before visiting.
How can I verify Jayson Takeji Masaki, M.D.'s license?
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 Jayson Takeji Masaki, M.D. prescribe under Medicare Part D?
In 2024, Jayson Takeji Masaki, M.D. had 405 Medicare Part D claims for 56 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.