NPPES file of Aug 9, 2026

Hyundong Steven Hahn, MD

Psychiatry Physician · Waipahu, HI

Hyundong Steven Hahn, MD is a psychiatry physician with a practice address in Waipahu, Hawaii, and NPI 1578513230, issued on May 11, 2006. Check the license (Hawaii MD-23035, 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
1578513230
Name
Hyundong Steven Hahn
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
MD-23035 HI
ME119855 FL
Self-reported in NPPES; status is on the state search
Practice location
94-1480 Moaniani St, Waipahu, HI 96797
Phone
(808) 432-3100
Enumerated
May 11, 2006
Record last updated
Oct 15, 2024
Medicaid ID
184840200 MN
Medicare enrollment
Enrolled (PECOS I20241018000352); 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.
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Also registered at 94-1480 Moaniani St

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

  1. William Ahuna, MDFamily Medicine Physician1144314683
  2. Mary Alvior, LCSWClinical Social Worker1114055597
  3. Jordan AndersonPharmacist1235975541
  4. Zachary Ariola, PHARM DPharmacist1124298153
  5. Russell Au, ODOptometrist1043329832
  6. Jolene Bachman, MDObstetrics & Gynecology Physician1225184393

Verify Hyundong Steven Hahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-23035
    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.

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68% fewer Medicare Part D claims than the average psychiatry physician in 2024

318 Medicare Part D claims for 75 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Hyundong Hahn318
  2. Specialty average1,000

Most prescribed

  1. Fluoxetine Hcl38 claims
  2. Lorazepam21 claims
  3. Sertraline Hcl19 claims
  4. Buspirone Hcl17 claims
  5. Mirtazapine17 claims
  6. Olanzapine17 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

  1. Southern California Permanente Medical GroupPanorama City, CA

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

Hyundong Steven Hahn among 331 psychiatry physician records in Hawaii

Hyundong Steven Hahn, 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 62% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated1996 · median 2003 among the 110 with a school on file
  • Record last updated2024 · 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).

Psychiatry Physician providers in Hawaii

There are 331 psychiatry physician records in Hawaii.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Kiku Kim, MDWaipahu, HI 967971114997251
  2. Dolly Langen, MDWaipahu, HI 967971124128830
  3. Christopher Lind, MDWaipahu, HI 967971952392862
  4. Kryslin Nishibun, MDWaipahu, HI 967971891359568
  5. Scott Teraoka, M.D.Waipahu, HI 967971184825291
  6. Jason Andrus, MDWailuku, HI 967931629148713
  7. Jon Betwee, M.D.Wailuku, HI 967931699852467
  8. Douglas Cooper, MDWailuku, HI 967931215085576

Common questions

What is Hyundong Steven Hahn, MD's NPI number?

Hyundong Steven Hahn, MD's National Provider Identifier (NPI) is 1578513230, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hyundong Steven Hahn, MD located?

The NPPES record lists a practice address at 94-1480 Moaniani St, Waipahu, HI, 96797. Phone: (808) 432-3100. Providers update this record themselves, so call before visiting.

How can I verify Hyundong Steven Hahn, MD's license?

NPPES lists Hawaii license number MD-23035, 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 Hyundong Steven Hahn, MD prescribe under Medicare Part D?

In 2024, Hyundong Steven Hahn, MD had 318 Medicare Part D claims for 75 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.