Matthew M. Barrett, MD
Psychiatry Physician · Pahoa, HI
Matthew M. Barrett, MD is a psychiatry physician with a practice address in Pahoa, Hawaii, and NPI 1063626273, issued on May 9, 2007. Check the license (Hawaii MD-17123, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew M. Barrett
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD-17123 HI
7435 AK
27110 NE
0101244237 VA
0116018607 VA
Self-reported in NPPES; status is on the state search - Practice location
- 15-2218 Kaniau PL., Pahoa, HI 96778
- Phone
- (907) 712-7772
- Enumerated
- May 9, 2007
- Record last updated
- Sep 30, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191130000057); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Verify Matthew M. Barrett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-17123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average psychiatry physician in 2024
173 Medicare Part D claims for 30 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam30 claims
- Dextroamphetamine-Amphetamine21 claims
- Diazepam20 claims
- Alprazolam17 claims
- Zolpidem Tartrate12 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.
Bills Medicare through one group practice
- Happy Happy Happy LLCHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Psychiatry Physician providers in Hawaii
There are 331 psychiatry physician records in Hawaii.
Other psychiatry physician records in Hawaii
- Janette AbramowitzHonolulu, HI1275952335
- Roman Anthony Acierto, D.O.Honolulu, HI1710128723
- Ryan Adachi, DOHonolulu, HI1295471704
- Joanna Ajex Palvannan, MDHonolulu, HI1497449466
- Jeffrey AkakaHonolulu, HI1871707307
- Albert Albatrosov, M.D.Hilo, HI1982640355
- Samuel Alexander, DOHonolulu, HI1255969036
- Evan Allen, DOTripler Army Medical Center, HI1710547443
- Eugene Altman, M.D.Honolulu, HI1720128358
- Darius Amjadi, M.D.Honolulu, HI1275639973
Common questions
What is Matthew M. Barrett, MD's NPI number?
Matthew M. Barrett, MD's National Provider Identifier (NPI) is 1063626273, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew M. Barrett, MD located?
The NPPES record lists a practice address at 15-2218 Kaniau PL., Pahoa, HI, 96778. Phone: (907) 712-7772. Providers update this record themselves, so call before visiting.
How can I verify Matthew M. Barrett, MD's license?
NPPES lists Hawaii license number MD-17123, 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 Matthew M. Barrett, MD prescribe under Medicare Part D?
In 2024, Matthew M. Barrett, MD had 173 Medicare Part D claims for 30 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.