Doctor profile · Federal record

Dr. Marc Unterman, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Interventional Cardiology Physician · Lawrenceville, GA

  • NPI 1427044858
  • Accepts Medicare
  • MIPS 90.8 / 100 · 2023
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
766 Walther RD, Suite 100
Lawrenceville, GA 300468764
(678) 312-9100
fax (678) 312-9101

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
June 28, 2013
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Georgia #19800
Medicaid
GA #00170607D

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427044858. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,780
Distinct HCPCS
10
Medicare allowed
$324,409
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,276 804 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 530 352 $127
J2785 Injection, regadenoson, 0.1 mg 244 61 $56
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 203 193 $15
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 172 61 $23
85610 Blood test, clotting time 160 13 $4
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 143 49 $30
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 124 124 $188
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 108 107 $68
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 71 69 $14

In context: peer comparison

Among 7 peers in this city , average services per provider: 141. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$931
Transactions
45
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 19 $205.34
Edwards Lifesciences Corporation 1 $151.30
Philips North America LLC 1 $118.50
Amgen Inc. 7 $118.23
Novo Nordisk Inc 4 $80.92
Merck Sharp & Dohme LLC 4 $78.84
E.R. Squibb & Sons, L.L.C. 3 $65.35
Kiniksa Pharmaceuticals International, plc 2 $36.95
Janssen Pharmaceuticals, Inc 1 $24.46
PFIZER INC. 1 $22.89
Medtronic, Inc. 1 $14.67
Esperion Therapeutics, Inc. 1 $13.20

By nature of payment

Food and Beverage
$931

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,182
Patients
2,411
Total drug cost
$1,074,009
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 825 207 $1,000,884
Atorvastatin Calcium Generic 694 228 $9,675
Metoprolol Tartrate Generic 685 209 $5,651
Amlodipine Besylate Generic 677 225 $4,063
Lisinopril Generic 609 212 $4,444
Carvedilol Generic 597 194 $6,238
Losartan Potassium Generic 586 188 $7,888
Metoprolol Succinate Generic 531 182 $9,334
Furosemide Generic 396 151 $2,640
Clopidogrel (Clopidogrel Bisulfate) Brand 340 113 $4,722

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Unterman's medical specialty?
Dr. Marc Unterman practices Cardiovascular Disease Physician in Lawrenceville, GA.
Where does Dr. Marc Unterman practice?
Dr. Marc Unterman practices at 766 Walther RD, Lawrenceville, GA 300468764. Office phone: 6783129100.
What is Dr. Marc Unterman's NPI?
Dr. Marc Unterman's National Provider Identifier (NPI) is 1427044858, issued by NPPES.
Does Dr. Marc Unterman accept Medicare assignment?
Yes. Dr. Marc Unterman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Unterman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Injection, regadenoson, 0.1 mg (HCPCS J2785). Source: CMS Medicare Physician & Other Practitioners file.