Relapse Prevention Study of Pimavanserin in Dementia-related Psychosis (opens in a new tab)
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$2,000 in research paymentsDelusionsHallucinationsPimavanserin 20 mgPimavanserin 34 mg
Dr. Matthew M. Barrett, MD
NPI1063626273PAC ID7517134943
- Medicare services, 2024
- 112
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 173
- Clinical trials
- 1
- Industry payments
- $974
- Practice address
- 459 Patterson Rd, Honolulu, HI 96819
- Practice phone
- Call (808) 457-1082
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alleviant Health Centers Of Honlulu
Hospital · Honolulu, Hawaii
Find Dr. Barrett's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Matthew M. Barrett is a psychiatrist in Honolulu, Hawaii
Dr. Barrett practices at Alleviant Health Centers Of Honlulu in Honolulu, Hawaii.
Dr. Barrett's NPI, 1063626273, was assigned on May 9, 2007. Dr. Barrett holds Hawaii license MD-17123.
NPI and contact details
- NPI
- 1063626273NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517134943
- NPI enumeration date
- May 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (808) 457-1082
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew M. Barrett practices at Alleviant Health Centers of Honlulu in Honolulu, Hawaii
Dr. Barrett's primary practice is Alleviant Health Centers of Honlulu, at 459 Patterson Rd, Honolulu, HI 96819. The practice phone is (808) 457-1082.
- Alleviant Health Centers of Honlulu459 Patterson Rd, Honolulu, HI 96819Phone(808) 457-1082
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew M. Barrett is affiliated with 1 site of care and 1 medical group
Dr. Barrett's primary practice is Alleviant Health Centers Of Honlulu in Honolulu, Hawaii. The medical group on file is Alleviant Health Centers of Honolulu.
Alleviant Health Centers Of HonluluPrimary
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew M. Barrett's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barrett practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alleviant Health Centers Of Honlulu | Available with a free account |
Source: Dmand AI Technology Install Data
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See the EHR and IT leaders at every site where Dr. Barrett practices
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Dr. Matthew M. Barrett is one of 236 psychiatrists in Hawaii
Psychiatry is Dr. Barrett's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Barrett's licenses on file in 4 states: Hawaii, Alaska, Nebraska and Virginia.
Specialties and state licenses
- Psychiatry, HawaiiPrimary
- Alaska license
- Nebraska license
- Student in an organized health care education/training program, Virginia
Psychiatrists near Dr. Barrett
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew M. Barrett billed Medicare for 112 services in 2024
CMS data shows 112 Medicare services from Dr. Barrett across 2 procedure codes in 2024, for 17 Medicare patients. Medicare paid $8,661 for them. Every service was in an office.
Medicare services, 2024112
Medicare patients17
Paid by Medicare$8,661
Procedure codes2
Dr. Barrett's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 322024: 68113%
- Tests and treatments
- 2022: 252024: 4476%
Dr. Barrett compared with the Hawaii median for psychiatrists, 2024
- Dr. Barrett
- Hawaii median
- Medicare services
- 112vs 1185% below
- Medicare patients
- 17vs 3043% below
- Part D claims
- 100vs 16740% below
Medians across 223 psychiatrists in Hawaii with Dmand AI profiles that report each measure.
Dr. Barrett's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew M. Barrett treated 17 Medicare patients in 2024, average age 69
CMS counts 17 Medicare patients who saw Dr. Barrett in 2024. 75% of them have anxiety, and 75% have depression. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Barrett's median patient age at 71, with 56% women.
Medicare patients, 202417
Average age69
Average risk score0.96
Chronic conditions among Dr. Barrett's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High cholesterol75%
- Mood disorders75%
- High blood pressure65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Barrett's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew M. Barrett wrote 173 Medicare Part D claims in 2024
In 2024, Dr. Barrett wrote 173 Medicare Part D claims for 30 patients. 99% of them were for generic drugs. CMS names the drug for 100 of them, across 5 drugs with 11 or more claims each, at $1,090 in total drug cost. In 2023, CMS named 53 claims across 4 drugs.
Part D claims, 2024173
Drugs named by CMS5
Total drug cost$1,090
Part D patients30
Dr. Barrett's Part D claims by kind of drug, 2024
- Generic171 claims99%
- Brand-name and other2 claims1%
Dr. Barrett's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 532024: 10089%
Drugs named by CMS: 5 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Matthew M. Barrett offers telehealth to Medicare patients
Dr. Barrett accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Barrett as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Matthew M. Barrett has worked on 1 clinical trial
Dmand AI links Dr. Barrett to 1 clinical trial. Conditions studied include Delusions and Hallucinations. Open Payments lists research payments to Dr. Barrett that name 1 trial.
Conditions in Dr. Barrett's trials
- Delusions
- Hallucinations
Investigators on the most trials with Dr. Barrett
- Jason Lamar Aldred, MD1 shared trial
- Gustavo Alva, MD1 shared trial
- Thomas Mark Banas, MD1 shared trial
Recent clinical trials with Dr. Barrett
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew M. Barrett received $974 in industry payments from 2016 to 2019
CMS Open Payments shows 28 general payments to Dr. Barrett from 8 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 50% of the total. Eisai Inc. paid the most, $785. It also lists 1 research payment totaling $2,000 in 2019, naming 1 clinical trial.
General payments to Dr. Barrett by program year, 2016 to 2019
General payments to Dr. Barrett by kind, 2016 to 2019
$974in total
- Food and beverage$49050%
- Travel and lodging$48450%
Companies that paid Dr. Barrett the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew M. Barrett's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew M. Barrett
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Matthew M. Barrett's NPI number?
Dr. Matthew M. Barrett's NPI number is 1063626273. It was assigned on May 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew M. Barrett?
Dr. Matthew M. Barrett is a psychiatrist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Matthew M. Barrett practice?
Dr. Barrett practices at 459 Patterson Rd, Honolulu, HI 96819. Dr. Barrett's primary practice is Alleviant Health Centers Of Honlulu in Honolulu, Hawaii.
What is Dr. Matthew M. Barrett's office phone number?
The practice phone on file for Dr. Barrett is (808) 457-1082.
What is Dr. Matthew M. Barrett's medical license number?
Dr. Barrett holds Hawaii license MD-17123, one of the licenses on file in 4 states.
Which states has Dr. Matthew M. Barrett been licensed in?
Dmand AI has state licenses on file for Dr. Barrett in Hawaii, Alaska, Nebraska and Virginia.
What medical group is Dr. Matthew M. Barrett part of?
Dr. Barrett is linked to Alleviant Health Centers of Honolulu.
Does Dr. Matthew M. Barrett accept Medicare?
Yes. CMS data shows Dr. Barrett billed Medicare for 112 services in 2024, and Dr. Barrett accepts Medicare assignment.
Does Dr. Matthew M. Barrett offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Barrett as offering telehealth services.
How many Medicare patients does Dr. Matthew M. Barrett see?
CMS counts 17 Medicare patients who saw Dr. Barrett in 2024, with an average age of 69.
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What services does Dr. Matthew M. Barrett bill to Medicare?
In 2024, Dr. Barrett's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90833).
What drugs does Dr. Matthew M. Barrett prescribe most?
In 2024 Medicare Part D data, Dr. Barrett's most prescribed drugs by claims were Clonazepam, Dextroamphetamine-Amphetamine and Diazepam.
Has Dr. Matthew M. Barrett received payments from drug or device companies?
CMS Open Payments shows $974 in general payments to Dr. Barrett from 8 companies from 2016 to 2019. The largest total came from Eisai Inc.
How long has Dr. Matthew M. Barrett been practicing?
Dr. Barrett graduated from medical school in 2006, 20 years ago.
Does Dr. Matthew M. Barrett do research?
Dr. Barrett has worked on 1 clinical trial.
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