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Profile last updated: April 2026How we source this data
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Provider Profile

Marshall Katz, M.D.

Cardiovascular Disease Physician

NPI: 1124024013

5

3 · Sharecare

20

Years Exp.

Boston

MA

Internal Medicine

Specialty

About

Dr. Marshall Katz, MD is a highly experienced Cardiovascular Disease Physician based in Boston, MA. He specializes in managing complex cardiac conditions, including heart attacks and abnormal heartbeat rhythms, providing comprehensive care for diseases of the heart and blood vessels.

With 20 years in practice, Dr. Katz has earned a perfect patient rating of 5.0 out of 5. Patients commend his expertise in treating conditions such as Acute Congestive Heart Failure and Hypotension. They particularly appreciate his ability to explain medical conditions clearly and his trustworthy demeanor, alongside the friendly nature of his staff.

Dr. Katz is committed to delivering high-quality healthcare and strives to foster positive patient relationships. His extensive experience in cardiovascular disease allows him to effectively address a wide range of cardiac issues, ensuring patients receive the best possible care.

Practicing Since

Jun 2005

Gender

Male

Experience

20 years

MA Medical License

#78156

Practice Type

Group Practice

NPI Number

1124024013

Additional Specialties

Internal Medicine, Cardiovascular Disease
Avg. Self-Pay Rate

Self-pay rates shown are averages across all procedures on file for this provider, sourced from Transparency in Coverage Act data. These are cash-pay prices — what you'd typically pay without using insurance. Actual rates may vary by procedure, location, and date of service.

LIVER IMAGING W/VASCULAR FLOW

CPT: 78202professional

$205

INJECTION MIRIKIZUMAB-MRKZ 1 MG

CPT: J2267professional

$99

Cost data sourced from insurer Transparency in Coverage Act filings. Costs shown are negotiated rates and may not reflect your actual out-of-pocket cost. Learn about our data

Local Market

Massachusetts Low

$80

Massachusetts Typical

$120

Massachusetts High

$271

Across Massachusetts, a cardiovascular disease physician visit ranges from $80 to $271 with a median of $120. This is 23% above the national median of $97. Based on 24 providers with published pricing data.

There are 9 cardiovascular disease physicians in Boston and 38 across Massachusetts on our platform.

See full cardiovascular disease physician cost breakdown in Massachusetts
Patient Reviews

5

3 reviews

Sharecare

Dr. Marshall Katz, MD, a cardiologist based in Boston, MA, has received overwhelmingly positive feedback from patients, reflected in an average rating of 5.0 out of 5. Patients frequently commend his expertise in cardiovascular disease, particularly in treating conditions such as Acute Congestive Heart Failure and Hypotension. Reviewers highlight his ability to explain medical conditions clearly, his trustworthy demeanor, and the friendly nature of his staff. Additionally, many patients appreciate the ease of scheduling appointments, including the availability of telehealth options. While the reviews are predominantly positive, there are no significant criticisms noted in the available feedback. Patients consistently mention the thoroughness of Dr. Katz's examinations and his attentiveness during consultations. His extensive experience, with 34 years in the field, adds to his credibility as a healthcare provider. Overall, prospective patients seeking a cardiologist may find Dr. Katz to be a highly recommended choice due to his expertise, patient-centered approach, and supportive office environment.

Location

Address

133 BROOKLINE AVE

HARVARD VANGUARD MEDICAL ASSOCIATES

Boston, MA 02215

Phone

6174216050
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Momentary Lab sources provider data from the CMS NPI Registry and cost data from federal Transparency in Coverage files. Reviews aggregated from Healthgrades, Vitals, WebMD, and other public sources. Learn how we verify and update healthcare information.

This page is for informational purposes only and does not constitute medical advice. Cost estimates are based on publicly available negotiated rate data and may not reflect your actual out-of-pocket cost. Always consult with your healthcare provider and insurance company for accurate cost information and medical decisions.