Chad Imanaka, MD
Psychiatry Physician · Honolulu, HI
Chad Imanaka, MD is a psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1134619729, issued on May 18, 2018. Check the license (Hawaii MD-22393, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chad Imanaka
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD-22393 HI
MDR-7528 HI
Self-reported in NPPES; status is on the state search - Practice location
- Psychiatry Residency Program, Honolulu, HI 96813
- Phone
- (808) 895-7948
- Enumerated
- May 18, 2018
- Record last updated
- Jun 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20250314001771); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 331 in Hawaii → Look up another NPI →
Verify Chad Imanaka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-22393Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatry physician in 2024
80 Medicare Part D claims for 18 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Duloxetine Hcl21 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
- Jason R Keifer MD PC LLCHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad Imanaka among 331 psychiatry physician records in Hawaii
Chad Imanaka, MD 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2018 · median 2003 among the 110 with a school on file
- Record last updated2022 · 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.
All 331 in Hawaii → Every provider in Honolulu → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Darius Amjadi, M.D.Honolulu, HI 968131275639973
- Helen Blaisdell-Brennan, M.D.Honolulu, HI 968131427063122
- David Des Jarlais, MDHonolulu, HI 968131275625659
- Evarts Fox, M.D.Honolulu, HI 968131033158043
- Perry Heintz, M.D.Honolulu, HI 968131457394066
- Stephen Kemble, M.D.Honolulu, HI 968131497759195
- Nancy Luckie, M.D.Honolulu, HI 968131760578116
- Kenneth Luke, M.D.Honolulu, HI 968131699779397
Common questions
What is Chad Imanaka, MD's NPI number?
Chad Imanaka, MD's National Provider Identifier (NPI) is 1134619729, issued on May 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Chad Imanaka, MD located?
The NPPES record lists a practice address at Psychiatry Residency Program, Honolulu, HI, 96813. Phone: (808) 895-7948. Providers update this record themselves, so call before visiting.
How can I verify Chad Imanaka, MD's license?
NPPES lists Hawaii license number MD-22393, 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 Chad Imanaka, MD prescribe under Medicare Part D?
In 2024, Chad Imanaka, MD had 80 Medicare Part D claims for 18 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.