Physician Profile
Nicholas A. Marston, M.D.
Unclaimed ProfileAbout Dr. Marston
Nicholas A. Marston, M.D. practices cardiovascular disease in Boston, MA. Nicholas is a 2012 graduate of University of Minnesota Medical School. Medicare claims data shows Nicholas provided 1,614 services to 1,238 patients. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (617) 732-5500
- Email not available
Practice Locations
75 FRANCIS ST
Boston, MA 02115
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
1,614 services · 1,238 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
1,034 | More often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
101 | More often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
12 | Less often than most peers in Cardiovascular Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
172 | More often than most peers in Cardiovascular Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
156 | More often than most peers in Cardiovascular Disease |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
65 | More often than most peers in Cardiovascular Disease |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
45 | More often than most peers in Cardiovascular Disease |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
17 | Less often than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
12 | Less often than most 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 cardiologists at this location 1
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 — 31 related providers in 4 groups
Other cardiologists in Boston 7
Same specialty, same city.
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at University of Minnesota Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Nicholas A. Marston's specialty?
Nicholas A. Marston is a cardiologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where can I find Nicholas A. Marston?
Nicholas A. Marston is listed at 75 Francis St, Boston, MA 02115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Nicholas A. Marston?
The number on file is (617) 732-5500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Nicholas A. Marston?
Nicholas A. Marston's National Provider Identifier is 1851655617. 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
What is Nicholas A. Marston's education?
Nicholas A. Marston attended University of Minnesota Medical School, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nicholas A. Marston have?
Nicholas A. Marston has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Nicholas A. Marston known for?
According to Medicare billing data, Nicholas A. Marston provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Nicholas A. Marston's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nicholas A. Marston. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.