NPPES file of Aug 9, 2026

Keiko Chen, M.D.

Child & Adolescent Psychiatry Physician · Honolulu, HI

Keiko Chen, M.D. is a child & adolescent psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1598113615, issued on May 31, 2016. Check the license (Hawaii MD-21272, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598113615
Name
Keiko Chen
Credential
M.D.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
MD-21272 HI
Self-reported in NPPES; status is on the state search
Practice location
1401 S Beretania St Ste 920, Honolulu, HI 96814
Phone
(808) 983-6100
Enumerated
May 31, 2016
Record last updated
Feb 25, 2025
Fax
(808) 983-6105
Medicare enrollment
Enrolled (PECOS I20220701001454); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1401 S Beretania St Ste 920

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chelsey RuthPsychiatry Physician1477081354
  2. Alexandra Takayesu, MDPsychiatry Physician1184060790

Verify Keiko Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-21272
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

55% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024

229 Medicare Part D claims for 30 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Keiko Chen229
  2. Specialty average504

Most prescribed

  1. Sertraline Hcl32 claims
  2. Escitalopram Oxalate19 claims
  3. Trintellix15 claims
  4. Abilify Maintena14 claims
  5. Atomoxetine Hcl13 claims
  6. Diazepam13 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 83.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.1
  2. Costout of 100 · 30%69.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Kauai Medical ClinicLihue, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in Hawaii

There are 57 child & adolescent psychiatry physician records in Hawaii.

Other child & adolescent psychiatry physician records in Hawaii

  1. Daniel Alicata, M.D.Honolulu, HI1013123918
  2. Megan Araujo, MDWaianae, HI1528622370
  3. Cathy Bell, M.DWaipahu, HI1023069861
  4. Anna Berg, MDHonolulu, HI1598083057
  5. Kent Booher, M.D.Kaneohe, HI1477675478
  6. Olga Briklin, M.D.Ewa Beach, HI1629416391
  7. Sara Chiu, M.D.Tripler Army Medical Center, HI1033383153
  8. Ian Chun, MDHilo, HI1013119700
  9. Trisa Danz, MDHonolulu, HI1598109241
  10. Maria Devera, M.D.Tripler Army Medical Center, HI1366423329

Common questions

What is Keiko Chen, M.D.'s NPI number?

Keiko Chen, M.D.'s National Provider Identifier (NPI) is 1598113615, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Keiko Chen, M.D. located?

The NPPES record lists a practice address at 1401 S Beretania St Ste 920, Honolulu, HI, 96814. Phone: (808) 983-6100. Providers update this record themselves, so call before visiting.

How can I verify Keiko Chen, M.D.'s license?

NPPES lists Hawaii license number MD-21272, 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 Keiko Chen, M.D. prescribe under Medicare Part D?

In 2024, Keiko Chen, M.D. had 229 Medicare Part D claims for 30 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.

What is Keiko Chen, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.