Peter A. In, M.D.
Psychiatry Physician · Kamuela, HI
Peter A. In, M.D. is a psychiatry physician with a practice address in Kamuela, Hawaii, and NPI 1518945427, issued on Jan 3, 2006. Check the license (Hawaii MD-2319, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Peter A. In
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD-2319 HI
Self-reported in NPPES; status is on the state search - Practice location
- 65-1206 Mamalahoa Hwy, Kamuela, HI 96743
- Phone
- (808) 885-7444
- Enumerated
- Jan 3, 2006
- Record last updated
- Apr 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (808) 885-0716
- Medicaid ID
- 03519901 HI
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 331 in Hawaii → Look up another NPI →
Also registered at 65-1206 Mamalahoa Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter A. In in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-2319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average psychiatry physician in 2024
156 Medicare Part D claims for 24 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Quetiapine Fumarate16 claims
- Olanzapine13 claims
- Fluoxetine Hcl12 claims
- Invega Sustenna11 claims
- Olanzapine Odt11 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.
Peter A. In among 331 psychiatry physician records in Hawaii
Peter A. In, 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 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 fileNo · 33% of these records are
- Record last updated2014 · 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.
All 331 in Hawaii → Every provider in Kamuela → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Soon-Ja Kaohimaunu, APRN, PMHNP-BCKamuela, HI 967431659937878
- Andrea Nelsen, M.D.Kamuela, HI 967431043442700
- Eugene Carvalho, M.D.Kaneohe, HI 967441184824054
- Clayton Chan, M.D.Kaneohe, HI 967441144309576
- Joan Fukumoto, M.D.Kaneohe, HI 967441558486886
- Rupert Goetz, M.D.Kaneohe, HI 967441760506984
- Olivia Hunte, M.D.Kaneohe, HI 967441346446218
- Klebert Jones, MDKaneohe, HI 967441114051513
Common questions
What is Peter A. In, M.D.'s NPI number?
Peter A. In, M.D.'s National Provider Identifier (NPI) is 1518945427, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter A. In, M.D. located?
The NPPES record lists a practice address at 65-1206 Mamalahoa Hwy, Kamuela, HI, 96743. Phone: (808) 885-7444. Providers update this record themselves, so call before visiting.
How can I verify Peter A. In, M.D.'s license?
NPPES lists Hawaii license number MD-2319, 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 Peter A. In, M.D. prescribe under Medicare Part D?
In 2024, Peter A. In, M.D. had 156 Medicare Part D claims for 24 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.