Robert J Marx, MD
With over 51 years in general practice, Robert J Marx, MD is a long-established general practitioner in Los Gatos. A Johns Hopkins University School of Medicine graduate since 1975, he brings 51+ years of experience. CMS Medicare data shows his patients commonly have hypertension and high cholesterol.
Older · 5726dNPPES updated 2010-08-31 · verify on CMS
Contact & Location
Practice Location
14911 National Ave Suite # 7, Los Gatos, CA 95032-2632
How Does This Doctor Compare?
Medicare Patients
158
Unique beneficiaries
Standard volumePrescription Recipients
156
Patients prescribed
Prescriptions Written
1,320
Total claims
Total Medicare drug cost: $52k
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
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$649 received from industry
6 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 Marx's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1975
Johns Hopkins University School of Medicine
51 years in practice
Senior practitioner
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Taxonomy: 208D00000X
Education & Training
Johns Hopkins University School of Medicine (Class of 1975)
Primary hospital affiliation: Psychiatric
CMS Certification Number: 194115
View hospital on Medicare Care CompareVirtual General Practice Care With Robert J Marx
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Robert J Marx for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Los Gatos 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 Marx
Dr. Marx is listed as active in the NPI registry with telehealth listed in Los Gatos, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (408) 358-3511.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · 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.
Contact Robert J Marx
Practice Location
14911 National Ave Suite # 7, Los Gatos, CA 95032-2632
Mailing Address
14911 National Ave Suite # 7, Los Gatos, CA 95032-2632
This is a provider directory. Contact the office directly to schedule appointments.
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