Doctor profile · Federal record

Dr. Mai Nguyen, M.D.

Family Medicine Physician (CMS: Family Practice) · Chicago, IL

  • NPI 1659711950
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3660 N Lake Shore Dr, Unit # 3808
Chicago, IL 606135300
(773) 307-5056

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036.131826

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659711950. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
259
Distinct HCPCS
3
Medicare allowed
$29,398
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 126 124 $129
99283 Emergency department visit with low level of medical decision making 109 108 $78
99285 Emergency department visit with high level of medical decision making 24 24 $191

In context: peer comparison

Among 295 peers in Chicago Family Medicine Physician, average services per provider: 85. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$30
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $30.20

By nature of payment

Food and Beverage
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
153
Patients
150
Total drug cost
$1,384
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 29 28 $385
Ondansetron Hcl Generic 24 24 $157
Ciprofloxacin Hcl Generic 22 22 $178
Prednisone Generic 22 21 $54
Cephalexin Generic 19 19 $124
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 12 $420
Famotidine Generic 13 13 $32
Cyclobenzaprine Hcl Generic 11 11 $34

Frequently asked questions

Auto-generated from federal data
What is Dr. Mai Nguyen's medical specialty?
Dr. Mai Nguyen practices Family Medicine Physician in Chicago, IL.
Where does Dr. Mai Nguyen practice?
Dr. Mai Nguyen practices at 3660 N Lake Shore Dr, Chicago, IL 606135300. Office phone: 7733075056.
What is Dr. Mai Nguyen's NPI?
Dr. Mai Nguyen's National Provider Identifier (NPI) is 1659711950, issued by NPPES.
Does Dr. Mai Nguyen accept Medicare assignment?
Yes. Dr. Mai Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mai Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.