Doctor profile · Federal record

Dr. Aaron Lee, MD

Gastroenterology Physician (CMS: Gastroenterology) · Los Angeles, CA

  • NPI 1831455575
  • Accepts Medicare
  • MIPS 83.9 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1526 N Edgemont St
Los Angeles, CA 900275260
(323) 783-3427

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
February 11, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #124768

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831455575. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
119
Distinct HCPCS
7
Medicare allowed
$10,924
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 23 15 $88
91200 Measurement of liver stiffness 19 19 $12
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 19 18 $6
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 17 17 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $193
45380 Biopsy of large bowel using a flexible endoscope 13 13 $135
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $144

In context: peer comparison

Among 52 peers in Los Angeles Gastroenterology Physician, average services per provider: 124. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$953
Transactions
8
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Terumo Medical Corporation 1 $178.68
Mallinckrodt Hospital Products INC. 1 $149.79
E.R. Squibb & Sons, L.L.C. 1 $123.74
AstraZeneca Pharmaceuticals Lp 1 $117.42
Cook Medical LLC 1 $113.67
Janssen Biotech, INC. 1 $109.81
Janssen Scientific Affairs, LLC 1 $86.90
Ipsen Biopharmaceuticals, INC 1 $73.33

By nature of payment

Food and Beverage
$953

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
376
Patients
269
Total drug cost
$24,844
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 213 206 $4,351
Omeprazole Generic 86 38 $794
Pantoprazole Sodium Generic 36 14 $447
Lialda (Mesalamine) Brand 29 11 $17,250
Budesonide Dr (Budesonide) Brand 12 0 $2,002

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Lee's medical specialty?
Dr. Aaron Lee practices Gastroenterology Physician in Los Angeles, CA.
Where does Dr. Aaron Lee practice?
Dr. Aaron Lee practices at 1526 N Edgemont St, Los Angeles, CA 900275260. Office phone: 3237833427.
What is Dr. Aaron Lee's NPI?
Dr. Aaron Lee's National Provider Identifier (NPI) is 1831455575, issued by NPPES.
Does Dr. Aaron Lee accept Medicare assignment?
Yes. Dr. Aaron Lee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Lee commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Measurement of liver stiffness (HCPCS 91200); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500). Source: CMS Medicare Physician & Other Practitioners file.