Doctor profile · Federal record

Dr. Thach Nguyen, MD

Cardiovascular Disease Physician (CMS: Interventional Cardiology) · Merrillville, IN

  • NPI 1700872769
  • MIPS 68.4 / 100 · 2023
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 E 86Th Pl
Merrillville, IN 464106258
(219) 756-1400
fax (219) 746-0876
Mailing address
200 East 86Th Place
Merrillville, IN 464106258

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
November 20, 2024
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Indiana #01033686
Medicaid
IN #100350720

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700872769. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,896
Distinct HCPCS
10
Medicare allowed
$150,937
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 667 234 $75
99213 Established patient office or other outpatient visit, 20-29 minutes 481 176 $85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 176 101 $112
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 107 96 $123
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 105 52 $47
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 78 78 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 64 41 $92
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 59 56 $78
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 51 50 $13
80061 Blood test, lipids (cholesterol and triglycerides) 39 37 $13

In context: peer comparison

Among 4 peers in Merrillville Cardiovascular Disease Physician, average services per provider: 159. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$850
Transactions
42
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 21 $340.16
AstraZeneca Pharmaceuticals Lp 1 $103.58
Merck Sharp & Dohme LLC 4 $71.48
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 3 $54.92
Kiniksa Pharmaceuticals International, Plc 2 $44.67
Ethicon US, LLC 1 $39.19
Chiesi USA, INC. 2 $35.07
Novo Nordisk INC 1 $24.48
Itamar Medical INC 1 $24.16
Janssen Pharmaceuticals, INC 1 $23.74
Edwards Lifesciences Corporation 1 $22.30
Pfizer INC. 1 $20.62
Scpharmaceuticals INC. 1 $20.30
E.R. Squibb & Sons, L.L.C. 1 $14.22
Kerecis Limited 1 $11.50

By nature of payment

Food and Beverage
$850

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,629
Patients
524
Total drug cost
$373,122
Drug Type Claims Patients Total cost
Metoprolol Tartrate Generic 245 76 $2,417
Atorvastatin Calcium Generic 192 69 $2,216
Rosuvastatin Calcium Generic 172 54 $5,835
Eliquis (Apixaban) Brand 155 42 $165,311
Amlodipine Besylate Generic 151 50 $1,145
Lisinopril Generic 108 36 $1,058
Clopidogrel (Clopidogrel Bisulfate) Brand 106 36 $1,607
Carvedilol Generic 90 34 $1,028
Furosemide Generic 87 35 $759
Entresto (Sacubitril/Valsartan) Brand 75 26 $100,174

Frequently asked questions

Auto-generated from federal data
What is Dr. Thach Nguyen's medical specialty?
Dr. Thach Nguyen practices Cardiovascular Disease Physician in Merrillville, IN.
Where does Dr. Thach Nguyen practice?
Dr. Thach Nguyen practices at 200 E 86Th Pl, Merrillville, IN 464106258. Office phone: 2197561400.
What is Dr. Thach Nguyen's NPI?
Dr. Thach Nguyen's National Provider Identifier (NPI) is 1700872769, issued by NPPES.
Does Dr. Thach Nguyen accept Medicare assignment?
Dr. Thach Nguyen does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Thach Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.