Aaron Hoo
Internal Medicine Physician · Honolulu, HI
Aaron Hoo is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1558771840, issued on May 7, 2014. Check the license (Hawaii MD-19022, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aaron Hoo
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD-19022 HI
MD 19022 HI
Self-reported in NPPES; status is on the state search - Practice location
- 550 S Beretania St Ste 300, Honolulu, HI 96813
- Phone
- (808) 686-4620
- Enumerated
- May 7, 2014
- Record last updated
- Mar 30, 2023
- Fax
- (808) 686-2125
- Medicare enrollment
- Enrolled (PECOS I20170703001532); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →
Also registered at 550 S Beretania St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Aaron Hoo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-19022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,148 Medicare Part D claims for 310 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 39 claims were for opioids.
Most prescribed
- Amlodipine Besylate282 claims
- Atorvastatin Calcium252 claims
- Losartan Potassium226 claims
- Rosuvastatin Calcium172 claims
- Levothyroxine Sodium116 claims
- Pravastatin Sodium106 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
- Queens University Medical GroupHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Hoo among 902 internal medicine physician records in Hawaii
Aaron Hoo is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2014 · median 2001 among the 491 with a school on file
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
579 internal medicine physician records list a practice address in Honolulu
They are 579 of the 12,408 NPPES records with a practice address in Honolulu, and 902 internal medicine physician records in Hawaii.
All 902 in Hawaii → Every provider in Honolulu → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Justin Barratt, M.D.Honolulu, HI 968131861481574
- Dee-Ann Carpenter, MDHonolulu, HI 968131720080799
- Bo-Yin ChangHonolulu, HI 968131356314777
- Cleland Child, M.D.Honolulu, HI 968131548242076
- Dominic Chow, M.D.Honolulu, HI 968131063464972
- Michael Dung, MDHonolulu, HI 968131811963986
- Theodore Harada, MDHonolulu, HI 968131558324988
- Janet Kao, M.D.Honolulu, HI 968131467459131
Common questions
What is Aaron Hoo's NPI number?
Aaron Hoo's National Provider Identifier (NPI) is 1558771840, issued on May 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Hoo located?
The NPPES record lists a practice address at 550 S Beretania St Ste 300, Honolulu, HI, 96813. Phone: (808) 686-4620. Providers update this record themselves, so call before visiting.
How can I verify Aaron Hoo's license?
NPPES lists Hawaii license number MD-19022, 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 Aaron Hoo prescribe under Medicare Part D?
In 2024, Aaron Hoo had 3,148 Medicare Part D claims for 310 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.