Ethan Pien, M.D.
Psychiatry Physician · Honolulu, HI
Ethan Pien, M.D. is a psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1588663454, issued on Jul 21, 2005. Check the license (Hawaii 14017, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ethan Pien
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 14017 HI
A85032 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 S King St, Honolulu, HI 96814
- Phone
- (808) 597-8765
- Enumerated
- Jul 21, 2005
- Record last updated
- Dec 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (808) 597-6578
- Medicare enrollment
- Enrolled (PECOS I20070828000661); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 331 in Hawaii → Look up another NPI →
Also registered at 1010 S King St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ethan Pien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 14017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average psychiatry physician in 2024
601 Medicare Part D claims for 90 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Escitalopram Oxalate63 claims
- Lorazepam47 claims
- Bupropion Xl42 claims
- Venlafaxine Hcl Er35 claims
- Sertraline Hcl31 claims
- Quetiapine Fumarate30 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.
Industry payments in 2024: $86.62
3 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ethan Pien among 331 psychiatry physician records in Hawaii
Ethan Pien, M.D. 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
- Graduated2002 · median 2003 among the 110 with a school on file
- Record last updated2009 · 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
- Alan Buffenstein, M.DHonolulu, HI 968141639278104
- Jason Glipa, M.D.Honolulu, HI 968141265462220
- John Guo, M.D.Honolulu, HI 968141114016623
- Esther Kawano, MDHonolulu, HI 968141730122995
- Rudolf Kuszmider, M.D.Honolulu, HI 968141689750978
- Dennis Lind, M.D.Honolulu, HI 968141750384293
- Michael Mahelsky, M.D.Honolulu, HI 968141841204914
- Michael McCanless, MDHonolulu, HI 968141043310162
Common questions
What is Ethan Pien, M.D.'s NPI number?
Ethan Pien, M.D.'s National Provider Identifier (NPI) is 1588663454, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ethan Pien, M.D. located?
The NPPES record lists a practice address at 1010 S King St, Honolulu, HI, 96814. Phone: (808) 597-8765. Providers update this record themselves, so call before visiting.
How can I verify Ethan Pien, M.D.'s license?
NPPES lists Hawaii license number 14017, 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 Ethan Pien, M.D. prescribe under Medicare Part D?
In 2024, Ethan Pien, M.D. had 601 Medicare Part D claims for 90 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.