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Edit this profileWhere to find Michael T. Johnstone, M.D.
- Brighton location main office
736 Cambridge St, 4Th Fl, Cardiovascular Medicine Suite, 4Th Fl Margaret's, Brighton, MA 02135 - Brighton location
77 Warren St, 2nd Floor, Brighton, MA 02135
About Dr. Johnstone
Michael T. Johnstone, M.D. practices cardiovascular disease (cardiology) in Brighton, MA. Michael is a 1982 graduate of M H Kornberg School of Dentistry, Temple University. Michael is also listed as specializing in internal medicine and cardiovascular disease. According to Medicare claims data, Michael cared for 1,299 Medicare patients across 1,681 services. The services billed most often include ultrasound of heart with color-depicted blood flow, rate, direction and valve function, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1235164336.
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
- (617) 562-7690
- Email not available
Practice Locations
736 CAMBRIDGE ST, 4TH FL CARDIOVASCULAR MEDICINE SUITE, 4TH FL MARGARET'S
Brighton, MA 02135
77 Warren St 2nd Floor
Brighton, MA 02135
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
- Coronary artery disease
- Stable angina
Heart failure and cardiomyopathy
- Hypertrophic cardiomyopathy
- Myocarditis
- Pericardial effusion
Heart rhythm
Symptoms and functional disorders
- Fainting and syncope
- Heart palpitations
- Postural orthostatic tachycardia syndrome
Valve and structural heart
- Aortic stenosis
- Mitral regurgitation
- Mitral valve prolapse
- Patent foramen ovale
Vascular and risk factors
- Aortic aneurysm
- Carotid artery disease
- Familial hypercholesterolemia
- Resistant hypertension
Artery & vascular
- Peripheral Artery Disease (PAD)
Heart inflammation
- Pericarditis (Heart Sac Inflammation)
Heart muscle
Heart valves
- Heart Murmur
Vascular disease
- High Blood Pressure in the Lungs (Pulmonary Hypertension)
Procedures & services
Most searched procedures
- Echocardiogram
- EKG
- Heart monitor
- Heart stent
- Pacemaker surgery
- Stress test
Office and noninvasive testing
Advanced imaging
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Consultations
- Preventive Cardiology Consultation
Diagnostic testing
Diagnostics
- Electrophysiology Study (EP Study)
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
- Heart CT Scan (Cardiac CT)
Heart procedures
Heart rhythm procedures
Imaging
- Heart Calcium Scan
- Transesophageal Echocardiogram for Kids
Implants
- Defibrillator Implant (ICD)
Recovery & rehabilitation
- Cardiac Rehabilitation Program
Vascular imaging
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
Procedures Most Often Billed to Medicare
1,681 services · 1,299 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| 3d radiographic procedure with computerized image postprocessing | Imaging | 76377 |
18 | Less often than most peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
447 | More often than most peers in Cardiovascular Disease… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
359 | As often as other peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
53 | More often than most peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
53 | As often as other peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
53 | As often as other peers in Cardiovascular Disease… |
| Ultrasound of heart, follow-up | Treatment | 93308 |
36 | As often as other peers in Cardiovascular Disease… |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
31 | As often as other peers in Cardiovascular Disease… |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
29 | As often as other peers in Cardiovascular Disease… |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
27 | 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 cardiovascular diseases 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 — 15 related providers in 2 groups
Other cardiovascular diseases in Brighton 7
Same specialty, same city.
Also performs 3d radiographic procedure with computerized image postprocessing 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Michael T. Johnstone specialize in?
Michael T. Johnstone is a cardiovascular disease (cardiology) in Brighton, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Michael T. Johnstone located?
Michael T. Johnstone is listed at 736 Cambridge St, 4Th Fl Cardiovascular Medicine Suite, 4Th Fl Margaret's, Brighton, MA 02135. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Michael T. Johnstone's phone number?
The number on file is (617) 562-7690. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Michael T. Johnstone's NPI number?
Michael T. Johnstone's National Provider Identifier is 1235164336. 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 Michael T. Johnstone train?
Michael T. Johnstone attended M H Kornberg School of Dentistry, Temple University, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Michael T. Johnstone been practicing?
Michael T. Johnstone has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Michael T. Johnstone do most often?
According to Medicare billing data, Michael T. Johnstone performs imaging including 3d radiographic procedure with computerized image postprocessing; provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Michael T. Johnstone confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Michael T. Johnstone. If this is you, claiming it is free.
Guide.md
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