Aaron Justin Small, M.D.
Gastroenterology Physician · Aiea, HI
Aaron Justin Small, M.D. is a gastroenterology physician with a practice address in Aiea, Hawaii, and NPI 1407015399, issued on Jun 5, 2008. Check the license (Hawaii MD-18102, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aaron Justin Small
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD-18102 HI
Self-reported in NPPES; status is on the state search - Practice location
- 98-1079 Moanalua RD, Aiea, HI 96701
- Phone
- (808) 486-6000
- Enumerated
- Jun 5, 2008
- Record last updated
- Feb 14, 2022
- Medicare enrollment
- Enrolled (PECOS I20150527002063); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 2008
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 81 in Hawaii → Look up another NPI →
Also registered at 98-1079 Moanalua RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Abe, MDPediatrics Physician1659691533
- Brooke Adachi, RDRegistered Dietitian1891270138
- Soo Hyun Ahn, MDEmergency Medicine Physician1093398828
- Timothy Ahu, MDInternal Medicine Physician1275611204
- Maria Lourdes Akagi, APRNFamily Nurse Practitioner1811600299
- Roderick Alfonso, M.D.Emergency Medicine Physician1417310293
Verify Aaron Justin Small in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-18102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average gastroenterology physician in 2024
342 Medicare Part D claims for 254 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Gavilyte-G152 claims
- Omeprazole52 claims
- Peg-3350 And Electrolytes29 claims
- Ciprofloxacin Hcl24 claims
- Levofloxacin22 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: $728.41
14 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Aaron Justin Small among 81 gastroenterology physician records in Hawaii
Aaron Justin Small, M.D. is one of 81 gastroenterology physician records with a practice address in Hawaii. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 70% of them.
- NPI issued2008 · 70% of these records are older, 23% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2008 · median 1999 among the 56 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Hawaii
There are 81 gastroenterology physician records in Hawaii.
All 81 in Hawaii → Every provider in Aiea → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Yousif Arahim, M.D.Aiea, HI 967011740213990
- Darrell Lee, MDAiea, HI 967011629021241
- Tesu Lin, MDAiea, HI 967011508893496
- Robert Wong, MDAiea, HI 967011982784898
- Daniel Chan, MDEwa Beach, HI 967061255627980
- Christy Ann Gilman, M.D.Ewa Beach, HI 967061609255017
- Mel Ona, MD, MS, MPH, MAKapolei, HI 967071720318199
- Russ Arjal, MDHilo, HI 967201821144403
Common questions
What is Aaron Justin Small, M.D.'s NPI number?
Aaron Justin Small, M.D.'s National Provider Identifier (NPI) is 1407015399, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Justin Small, M.D. located?
The NPPES record lists a practice address at 98-1079 Moanalua RD, Aiea, HI, 96701. Phone: (808) 486-6000. Providers update this record themselves, so call before visiting.
How can I verify Aaron Justin Small, M.D.'s license?
NPPES lists Hawaii license number MD-18102, 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 Justin Small, M.D. prescribe under Medicare Part D?
In 2024, Aaron Justin Small, M.D. had 342 Medicare Part D claims for 254 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.