Doctor profile · Federal record

Dr. Aileen Nguyen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Burlingame, CA

  • NPI 1861996332
  • Accepts Medicare
  • MIPS 91.5 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1501 Trousdale Dr
Burlingame, CA 940104506
(650) 696-5400

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
September 25, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A173481

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861996332. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
451
Distinct HCPCS
4
Medicare allowed
$53,401
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 191 101 $88
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 108 52 $126
99239 Hospital discharge day management, more than 30 minutes 98 97 $128
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 54 54 $193

In context: peer comparison

Among 24 peers in this city , average services per provider: 164. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
0
Total drug cost
$8,913
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 21 0 $208
Eliquis (Apixaban) Brand 13 0 $8,676
Prednisone Generic 11 0 $29

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aileen Nguyen's medical specialty?
Dr. Aileen Nguyen practices Internal Medicine Physician in Burlingame, CA.
Where does Dr. Aileen Nguyen practice?
Dr. Aileen Nguyen practices at 1501 Trousdale Dr, Burlingame, CA 940104506. Office phone: 6506965400.
What is Dr. Aileen Nguyen's NPI?
Dr. Aileen Nguyen's National Provider Identifier (NPI) is 1861996332, issued by NPPES.
Does Dr. Aileen Nguyen accept Medicare assignment?
Yes. Dr. Aileen Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aileen Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.