NPPES file of Aug 9, 2026

Clifford I. Okumoto, MD

Psychiatry Physician · Honolulu, HI

Clifford I. Okumoto, MD is a psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1194714238, issued on Oct 20, 2005. Check the license (Hawaii M06069, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194714238
Name
Clifford I. Okumoto
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
M06069 HI
Self-reported in NPPES; status is on the state search
Practice location
615 Piikoi St, Honolulu, HI 96814
Phone
(808) 596-8778
Enumerated
Oct 20, 2005
Record last updated
Dec 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(808) 596-8558
Medicaid ID
02426501 HI
Medicare enrollment
Enrolled (PECOS I20050928001536); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 1983
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 615 Piikoi St

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

  1. Mariana AbdallaCounselor1831343813
  2. Jennifer AbeCounselor1790936656
  3. Brandon AfongCounselor1750716940
  4. Anthony AgsaldaCounselor1427209386
  5. Tifaimoana AinuuCounselor1245481100
  6. Walter Aipa, LMTSpecialist1386992725

Verify Clifford I. Okumoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license M06069
    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 psychiatry physician in 2024

451 Medicare Part D claims for 48 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Clifford Okumoto451
  2. Specialty average1,000

Most prescribed

  1. Clonazepam80 claims
  2. Zolpidem Tartrate42 claims
  3. Aripiprazole36 claims
  4. Quetiapine Fumarate30 claims
  5. Sertraline Hcl25 claims
  6. Ziprasidone Hcl24 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.

Clifford I. Okumoto among 331 psychiatry physician records in Hawaii

Clifford I. Okumoto, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated1983 · median 2003 among the 110 with a school on file
  • Record last updated2012 · 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Alan Buffenstein, M.DHonolulu, HI 968141639278104
  2. Jason Glipa, M.D.Honolulu, HI 968141265462220
  3. John Guo, M.D.Honolulu, HI 968141114016623
  4. Esther Kawano, MDHonolulu, HI 968141730122995
  5. Rudolf Kuszmider, M.D.Honolulu, HI 968141689750978
  6. Dennis Lind, M.D.Honolulu, HI 968141750384293
  7. Michael Mahelsky, M.D.Honolulu, HI 968141841204914
  8. Michael McCanless, MDHonolulu, HI 968141043310162

Common questions

What is Clifford I. Okumoto, MD's NPI number?

Clifford I. Okumoto, MD's National Provider Identifier (NPI) is 1194714238, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Clifford I. Okumoto, MD located?

The NPPES record lists a practice address at 615 Piikoi St, Honolulu, HI, 96814. Phone: (808) 596-8778. Providers update this record themselves, so call before visiting.

How can I verify Clifford I. Okumoto, MD's license?

NPPES lists Hawaii license number M06069, 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 Clifford I. Okumoto, MD prescribe under Medicare Part D?

In 2024, Clifford I. Okumoto, MD had 451 Medicare Part D claims for 48 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.