Samuel Alexander, DO
Psychiatry Physician · Honolulu, HI
Samuel Alexander, DO is a psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1255969036, issued on Mar 29, 2020. Check the license (Hawaii DOS-2561, as entered in NPPES) on the Hawaii Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Samuel Alexander
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- DOS-2561 HI
Self-reported in NPPES; status is on the state search - Practice location
- 120 Kaiulani Ave Ste KW12, Honolulu, HI 96815
- Phone
- (808) 378-3665
- Enumerated
- Mar 29, 2020
- Record last updated
- Mar 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20251124002758); may accept Medicare assignment
- Medical or professional school
- Liberty Univ College Of Osteopathic Medicine, 2020
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 331 in Hawaii → Look up another NPI →
Verify Samuel Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license DOS-2561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Samuel Alexander among 331 psychiatry physician records in Hawaii
Samuel Alexander, DO 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 not. Its NPI, issued in 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 12% newer
- In a Medicare fileNo · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2020 · 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).
175 psychiatry physician records list a practice address in Honolulu
They are 175 of the 12,408 NPPES records with a practice address in Honolulu, and 331 psychiatry physician records in Hawaii. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 331 in Hawaii → Every provider in Honolulu → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Thuy Huynh, MDHonolulu, HI 968151336193085
- Maria Rosario Mabini, M.D.Honolulu, HI 968151740337203
- Yulee Yee, MDHonolulu, HI 968151639261027
- Roman Anthony Acierto, D.O.Honolulu, HI 968141710128723
- Jeffrey AkakaHonolulu, HI 968161871707307
- Theresa ChenHonolulu, HI 968161508121898
- Jon Cooney, MDHonolulu, HI 968161033287313
- Glen Frisch, M.D.Honolulu, HI 968141265773220
Common questions
What is Samuel Alexander, DO's NPI number?
Samuel Alexander, DO's National Provider Identifier (NPI) is 1255969036, issued on Mar 29, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Alexander, DO located?
The NPPES record lists a practice address at 120 Kaiulani Ave Ste KW12, Honolulu, HI, 96815. Phone: (808) 378-3665. Providers update this record themselves, so call before visiting.
How can I verify Samuel Alexander, DO's license?
NPPES lists Hawaii license number DOS-2561, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.