Physician Profile
Marc I. Unterman, MD
Unclaimed ProfileAbout Dr. Unterman
Marc I. Unterman, MD practices cardiovascular disease (cardiology) in Lawrenceville, GA. Marc is a 1977 graduate of Emory University School of Medicine. Marc is also listed as specializing in cardiovascular disease and interventional cardiology. According to Medicare claims data, Marc cared for 2,407 Medicare patients across 3,215 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. The provider's National Provider Identifier (NPI) is 1427044858.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (678) 312-9100
- Email not available
Practice Locations
766 WALTHER RD SUITE 100
Lawrenceville, GA 30046
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
3,215 services · 2,407 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
78 | More often than most peers in Cardiovascular Disease… |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
13 | More often than most peers in Cardiovascular Disease… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
402 | As often as other peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
245 | As often as other peers in Cardiovascular Disease… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
152 | As often as other peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
83 | More often than most peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
46 | As often as other peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
36 | Less often than most peers in Cardiovascular Disease… |
| Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional | Treatment | 93272 |
26 | As often as other peers in Cardiovascular Disease… |
| Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring | Treatment | 93270 |
22 | As often as other peers in Cardiovascular Disease… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other cardiovascular diseases in Lawrenceville 6
Same specialty, same city.
Trained at Emory University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at Emory University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Nuclear medicine studies of heart muscle at rest and with stress and spect 8
Providers in GA who bill this service to Medicare most often.
Common questions
What does Dr. Unterman specialize in?
Dr. Unterman is a cardiovascular disease (cardiology) in Lawrenceville, GA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Unterman located?
Dr. Unterman is listed at 766 Walther Rd Suite 100, Lawrenceville, GA 30046. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Unterman's phone number?
The number on file is (678) 312-9100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Unterman's NPI number?
Dr. Unterman's National Provider Identifier is 1427044858. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Unterman go to medical school?
Dr. Unterman attended Emory University School of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Unterman been practicing?
Dr. Unterman has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Unterman do most often?
According to Medicare billing data, Dr. Unterman performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Unterman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Unterman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.