Doctor profile · Federal record

Dr. Ann Nguyen, MD

Advanced Heart Failure and Transplant Cardiology Physician (CMS: Advanced Heart Failure and Transplant Cardiology) · Internal Medicine Physician · Cardiovascular Disease Physician · Chicago, IL

  • NPI 1629208988
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave Ste Mc6080
Chicago, IL 606371641
(773) 702-9324
Additional location
1000 Central St Ste 730
Evanston, IL 602011779
(847) 663-8410
fax (847) 676-1727
Mailing address
180 Harvester Dr Ste 110
Burr Ridge, IL 605276686

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
March 6, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RA0001X — NUCC code
State license (1)
Illinois #036131288

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629208988. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,228
Distinct HCPCS
10
Medicare allowed
$61,846
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 815 666 $9
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 96 38 $126
99291 Critical care, first 30-74 minutes 85 23 $231
93750 Evaluation of lower heart chamber assist device 57 16 $45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 42 25 $73
93451 Insertion of tube in right heart chambers for measurement 31 29 $145
99215 Established patient office or other outpatient visit, 40-54 minutes 30 24 $152
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 21 19 $14
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $194
99214 Established patient office or other outpatient visit, 30-39 minutes 17 14 $104

In context: peer comparison

Among 12 peers in this city , average services per provider: 94. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$961
Transactions
18
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 4 $466.63
Medtronic, Inc. 4 $192.15
Paragonix Technologies, Inc. 2 $138.11
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 4 $80.79
GENZYME CORPORATION 1 $25.41
E.R. Squibb & Sons, L.L.C. 1 $20.46
AstraZeneca Pharmaceuticals LP 1 $19.87
PFIZER INC. 1 $17.14

By nature of payment

Food and Beverage
$936
Travel and Lodging
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
22
Total drug cost
$399,035
Drug Type Claims Patients Total cost
Entresto (Sacubitril/Valsartan) Brand 36 0 $35,575
Spironolactone Generic 36 11 $426
Farxiga (Dapagliflozin Propanediol) Brand 34 11 $38,037
Atorvastatin Calcium Generic 30 0 $620
Furosemide Generic 27 0 $185
Opsumit (Macitentan) Brand 23 0 $293,044
Sildenafil Citrate Generic 22 0 $4,041
Jardiance (Empagliflozin) Brand 20 0 $26,362
Metoprolol Succinate Generic 19 0 $369
Rosuvastatin Calcium Generic 11 0 $376

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Nguyen's medical specialty?
Dr. Ann Nguyen practices Advanced Heart Failure and Transplant Cardiology Physician in Chicago, IL.
Where does Dr. Ann Nguyen practice?
Dr. Ann Nguyen practices at 5841 S Maryland Ave Ste Mc6080, Chicago, IL 606371641. Office phone: 7737029324.
What is Dr. Ann Nguyen's NPI?
Dr. Ann Nguyen's National Provider Identifier (NPI) is 1629208988, issued by NPPES.
Does Dr. Ann Nguyen accept Medicare assignment?
Yes. Dr. Ann Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.