Dr. Aaron Justin Small, MD
- Medicare services, 2024
- 227
- Medicare patients, 2024
- 138
- Part D claims, 2024
- 342
- Publications
- 9
- Hospital affiliations
- 1
- Practice address
- 98-1079 Moanalua Road, Aiea, HI 96701
- Practice phone
- Call (808) 486-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Small's professional email, personal email and mobile number
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Dr. Aaron Justin Small is a gastroenterologist in Aiea, Hawaii
Dr. Small practices at Pali Momi Medical Center in Aiea, Hawaii, part of Hawaiʻi Pacific Health.
Dr. Small's NPI, 1407015399, was assigned on June 5, 2008. Dr. Small graduated from Mayo Medical School in 2008. Dr. Small holds Hawaii license MD-18102.
- NPI
- 1407015399NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446475107
- NPI enumeration date
- June 5, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 486-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron Justin Small practices at Pali Momi Medical Center in Aiea, Hawaii
Dr. Small's primary practice is Pali Momi Medical Center, at 98-1079 Moanalua Road, Aiea, HI 96701 in Honolulu County. The practice phone is (808) 486-6000.
- Pali Momi Medical Center98-1079 Moanalua Road, Aiea, HI 96701 · Honolulu CountyPhone(808) 486-6000
Source: Dmand AI Affiliation Data
Dr. Aaron Justin Small is affiliated with 4 sites of care and 2 medical groups
Dr. Small's primary practice is Pali Momi Medical Center in Aiea, Hawaii, part of Hawaiʻi Pacific Health. The medical group on file is Hawaii Permanente Medical Group (HPMG). Dmand AI also links Dr. Small to 1 more clinical lab, 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron Justin Small's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Small practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pali Momi Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aaron Justin Small is one of 76 gastroenterologists in Hawaii
Gastroenterology is Dr. Small's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Small is licensed in Hawaii.
Specialties and state licenses
- Gastroenterology, HawaiiPrimary
Gastroenterologists near Dr. Small
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Aaron Justin Small billed Medicare for 227 services in 2024
CMS data shows 227 Medicare services from Dr. Small across 10 procedure codes in 2024, for 138 Medicare patients. Medicare paid $23,168 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Small's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1922024: 1892%
- Imaging
- 2023: 482024: 2646%
- Office and hospital visits
- 2023: 02024: 12
Dr. Small compared with the Hawaii median for gastroenterologists, 2024
- Dr. Small
- Hawaii median
- Medicare services
- 227vs 30125% below
- Medicare patients
- 138vs 17019% below
- Part D claims
- 279vs 3007% below
Medians across 72 gastroenterologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Small's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Small and other gastroenterologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron Justin Small treated 138 Medicare patients in 2024, average age 77
CMS counts 138 Medicare patients who saw Dr. Small in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Small's median patient age at 66, with 48% women.
Dr. Small's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Small's Medicare patients by sex, 2024
- Women7252%
- Men6648%
Chronic conditions among Dr. Small's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes50%
- Chronic kidney disease45%
- Arthritis36%
- Ischemic heart disease35%
- Cancer24%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Small's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron Justin Small wrote 342 Medicare Part D claims in 2024
In 2024, Dr. Small wrote 342 Medicare Part D claims for 254 patients. 91% of them were for generic drugs. CMS names the drug for 279 of them, across 5 drugs with 11 or more claims each, at $4,038 in total drug cost. In 2023, CMS named 225 claims across 6 drugs.
Dr. Small's Part D claims by kind of drug, 2024
- Generic311 claims91%
- Brand-name31 claims9%
Dr. Small's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Small's Part D claims, 2024
- Antibiotics17%58 of 342 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2252024: 27924%
Drugs named by CMS: 5 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Aaron Justin Small ranks in the 99th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Small accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 590 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Small, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Small ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 99th percentile590 procedures
- Colonoscopy
- 89th percentile152 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Aaron Justin Small has 9 publications on record
Dmand AI links 9 papers to Dr. Small, published from 2013 to 2017. 2014 was the busiest year, with 3. The most frequent topics are Esophageal Neoplasms and Esophageal Stenosis. Dr. Small has published most often in Clin Gastroenterol Hepatol. Dr. Small's most frequent co-authors are Aaron H. Mendelson, MD, Meenakshi Bewtra, MD and Meer Akbar Ali, MD.
Dr. Small's papers by year, 2013 to 2017
Topics Dr. Small writes about most
- Esophageal Neoplasms
- Esophageal Stenosis
Dr. Small's most frequent co-authors
- Aaron H. Mendelson, MD4 shared papers
- Meenakshi Bewtra, MD2 shared papers
- Meer Akbar Ali, MD1 shared paper
Recent publications by Dr. Small
See who Dr. Small researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Small works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Aaron Justin Small received $29,959 in industry payments from 2016 to 2025
CMS Open Payments shows 183 general payments to Dr. Small from 26 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 62% of the total. Boston Scientific Corporation paid the most, $24,877.
General payments to Dr. Small by program year, 2016 to 2025
General payments to Dr. Small by kind, 2016 to 2025
- Speaker and faculty fees$18,47062%
- Food and beverage$7,45125%
- Travel and lodging$4,03813%
Companies that paid Dr. Small the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aaron Justin Small graduated from Mayo Medical School
Dr. Small graduated from Mayo Medical School in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron Justin Small's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Aaron Justin Small
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Aaron Justin Small's NPI number?
Dr. Aaron Justin Small's NPI number is 1407015399. It was assigned on June 5, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron Justin Small?
Dr. Aaron Justin Small is a gastroenterologist in Aiea, Hawaii. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Aaron Justin Small practice?
Dr. Small practices at 98-1079 Moanalua Road, Aiea, HI 96701. Dr. Small's primary practice is Pali Momi Medical Center in Aiea, Hawaii, part of Hawaiʻi Pacific Health. Dmand AI also links Dr. Small to 1 clinical lab, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Aaron Justin Small's office phone number?
The practice phone on file for Dr. Small is (808) 486-6000.
What is Dr. Aaron Justin Small's medical license number?
Dr. Small holds Hawaii license MD-18102.
Which hospitals is Dr. Aaron Justin Small affiliated with?
Dr. Small practices at Pali Momi Medical Center in Aiea, Hawaii.
What medical group is Dr. Aaron Justin Small part of?
Dr. Small is linked to Hawaii Permanente Medical Group (HPMG). Dmand AI links Dr. Small to 1 more medical group.
Does Dr. Aaron Justin Small accept Medicare?
Yes. CMS data shows Dr. Small billed Medicare for 227 services in 2024, and Dr. Small accepts Medicare assignment.
How many Medicare patients does Dr. Aaron Justin Small see?
CMS counts 138 Medicare patients who saw Dr. Small in 2024, with an average age of 77.
What services does Dr. Aaron Justin Small bill to Medicare?
In 2024, Dr. Small's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and surgery: digestive system (45380).
Show 6 more questionsShow fewer questions
Where did Dr. Aaron Justin Small go to medical school?
Dr. Small graduated from Mayo Medical School in 2008.
What drugs does Dr. Aaron Justin Small prescribe most?
In 2024 Medicare Part D data, Dr. Small's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Peg-3350 And Electrolytes.
Has Dr. Aaron Justin Small received payments from drug or device companies?
CMS Open Payments shows $29,959 in general payments to Dr. Small from 26 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Aaron Justin Small been practicing?
Dr. Small graduated from medical school in 2008, 18 years ago.
Does Dr. Aaron Justin Small do research?
Dmand AI links 9 publications to Dr. Small, published from 2013 to 2017.
Who does Dr. Aaron Justin Small publish with?
Dr. Small's most frequent co-authors are Aaron H. Mendelson, MD (4 shared papers), Meenakshi Bewtra, MD (2 shared papers) and Meer Akbar Ali, MD (1 shared paper).
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