Steven James Mentzer, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

Steven James Mentzer is a Thoracic Surgery (Cardiothoracic Vascular Surgery) specialist based in Boston, MA with over 45 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(617) 732-5500Boston, MA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Steven James Mentzer, MD practices as part of a group thoracic surgery (cardiothoracic vascular surgery) specialist practice in Boston, MA. A University of Minnesota Medical School graduate since 1981, he brings 45+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and cancer.

1 of 60 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in MASee all Thoracic Surgery (Cardiothoracic Vascular Surgery) in Boston45+ years experienceNPI since 2006

Older · 5036dNPPES updated 2012-08-09 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine

Contact & Location

Practice Location

75 Francis Street Brigham & Womens Hospital Division of Thoracic Surgery, Boston, MA 02115

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

233

Unique beneficiaries

Standard volume

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Cancer
75%

Diseases involving abnormal cell growth with potential to spread to other body parts

Arthritis
45%

Joint inflammation causing pain, swelling, and stiffness

COPD
40%

Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow

Ischemic Heart Disease
34%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Anxiety Disorders
29%

Excessive worry or fear that interferes with daily life

Chronic Kidney Disease
23%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1981

    University of Minnesota Medical School

  2. 45 years in practice

    Senior practitioner

Thoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Taxonomy: 208G00000X

Education & Training

University of Minnesota Medical School (Class of 1981)

Practice Footprint

Mailing address

111 Cypress St, Brookline, MA 02445-6002

Differs from practice location

Virtual Thoracic Surgery (Cardiothoracic Vascular Surgery) Care With Steven James Mentzer

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Steven James Mentzer for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Boston required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Steven James Mentzer

NPI records show Dr. Mentzer as active with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 732-5500.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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