Doctor profile · Federal record

Dr. Ai Nguyen

Family Nurse Practitioner (CMS: Nurse Practitioner) · Los Angeles, CA

  • NPI 1538769807
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1401 S Grand Ave
Los Angeles, CA 900153010
(213) 748-2411

Credentials & registration

NPPES · NUCC
NPI registered
October 2020 — 6 yrs on file
Profile last updated
February 3, 2021
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95015772

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538769807. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
1
Medicare allowed
$9,995
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 53 35 $189

In context: peer comparison

Among 73 peers in Los Angeles Family Nurse Practitioner, average services per provider: 312. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Rigel Pharmaceuticals, INC. 2 $15.21

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. Ai Nguyen's medical specialty?
Dr. Ai Nguyen practices Family Nurse Practitioner in Los Angeles, CA.
Where does Dr. Ai Nguyen practice?
Dr. Ai Nguyen practices at 1401 S Grand Ave, Los Angeles, CA 900153010. Office phone: 2137482411.
What is Dr. Ai Nguyen's NPI?
Dr. Ai Nguyen's National Provider Identifier (NPI) is 1538769807, issued by NPPES.
Does Dr. Ai Nguyen accept Medicare assignment?
Yes. Dr. Ai Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ai Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.