Doctor profile · Federal record

Dr. Aaron Choy, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Honolulu, HI

  • NPI 1639380918
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2828 PAA St
Honolulu, HI 968194430
(808) 432-5770

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
June 11, 2021
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Hawaii #MD-14355 · Hawaii #MDR4584
Medicaid
HI #613621-04

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639380918. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
84
Distinct HCPCS
5
Medicare allowed
$6,377
HCPCS Description Services Patients Avg allowed
G0008 Administration of influenza virus vaccine 20 20 $32
90662 Influenza vaccine split virus, preservative free 18 18 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 18 15 $114
90480 Admn sarscov2 vacc 1 dose 14 14 $43
91320 Sarscv2 vac 30mcg trs-suc im 14 14 $128

In context: peer comparison

Among 114 peers in this city , average services per provider: 127. This provider delivers 0.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,226
Patients
1,100
Total drug cost
$137,113
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 807 275 $12,398
Losartan Potassium Generic 429 150 $5,086
Amlodipine Besylate Generic 336 124 $3,990
Lisinopril Generic 270 86 $3,081
Metformin Hcl Generic 219 68 $2,513
Simvastatin Generic 178 57 $1,926
Jardiance (Empagliflozin) Brand 150 46 $97,506
Metformin Hcl Er (Metformin Hcl) Brand 135 48 $1,079
Allopurinol Generic 114 38 $1,414
Metoprolol Tartrate Generic 105 39 $1,082

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Choy's medical specialty?
Dr. Aaron Choy practices Internal Medicine Physician in Honolulu, HI.
Where does Dr. Aaron Choy practice?
Dr. Aaron Choy practices at 2828 PAA St, Honolulu, HI 968194430. Office phone: 8084325770.
What is Dr. Aaron Choy's NPI?
Dr. Aaron Choy's National Provider Identifier (NPI) is 1639380918, issued by NPPES.
Does Dr. Aaron Choy accept Medicare assignment?
Yes. Dr. Aaron Choy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Choy commonly perform?
Top Medicare-reported procedures in 2023: Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.