Robert J Marshall, M.D.
Cardiovascular Disease Internal Medicine
Robert J Marshall is a Cardiovascular Disease Internal Medicine specialist based in Chevy Chase, MD with over 33 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
With over 33 years in internal medicine, Robert J Marshall, M.D. is a long-established cardiologist in Chevy Chase. A Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University graduate since 1993, he brings 33+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
At a glance
- Uses generic medications more than 25% of reporting doctors in Maryland
- Virtual visits available — no app or travel required
Older · 146dNPPES updated 2025-12-29 · verify NPI on CMS · Verify license at Maryland Board of Physicians
Contact & Location
Practice Location
5425 Wisconsin Ave Ste 810, Chevy Chase, MD 20815-3552
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better82.1%
Maryland avg: 83.4 · US avg: 82.8
⚠ Lower than most doctors nationally(-0.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
1,227
Unique beneficiaries
High volumePrescription Recipients
417
Patients prescribed
Prescriptions Written
2,422
Total claims
Total Medicare drug cost: $644k
Percentile rankings compared against 2,391 reporting peers in Maryland.
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.
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 Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-3%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+13%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-4%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+4%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-12%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$1.2k received from industry
38 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Robert J Marshall's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1993
Case Western Reserve University School of Medicine
Board certified · Dec 28, 2025
Self-reported via NPPES
33 years in practice
Senior practitioner
Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, heart failure, arrhythmias, valve disorders, and hypertension. They perform diagnostic procedures such as echocardiograms, stress tests, and cardiac catheterization.
Taxonomy: 207RC0000X
Education & Training
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (Class of 1993)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 500026
View hospital on Medicare Care CompareVirtual Cardiovascular Disease Care With Robert J Marshall
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Robert J Marshall for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Chevy Chase 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 Robert J Marshall
Dr. Marshall is listed as active in the NPI registry with telehealth listed in Chevy Chase, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (301) 507-9114.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Robert J Marshall
Practice Location
5425 Wisconsin Ave Ste 810, Chevy Chase, MD 20815-3552
Mailing Address
5425 Wisconsin Ave Ste 810, Chevy Chase, MD 20815-3552
This is a provider directory. Contact the office directly to schedule appointments.
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