Gad A Marshall, MD
Neurology Psychiatry & Neurology
Gad A Marshall is a Neurology Psychiatry & Neurology specialist based in Boston, MA with over 26 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Gad a Marshall, MD has practiced psychiatry & neurology for 26+ years, working in group practice. He graduated from Boston University School of Medicine in 2000 and has 26+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and Alzheimer's/dementia (per CMS claims data).
Older · 6899dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
Contact & Location
Practice Location
Bwh Memory Disorder Unit 221 Longwood Ave, Boston, MA 02115
How Does This Doctor Compare?
Medicare Patients
67
Unique beneficiaries
Standard volumePrescription Recipients
48
Patients prescribed
Prescriptions Written
283
Total claims
Total Medicare drug cost: $6k
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 Alzheimer's / Dementia.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Progressive brain disorders causing memory loss and cognitive decline
Joint inflammation causing pain, swelling, and stiffness
Excessive worry or fear that interferes with daily life
Conditions affecting emotional state, including depression and bipolar disorder
Weakened bones that are more prone to fractures, common in older adults
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.
$4.9k received from industry
2 transactions reported in 2018 ·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 2018, attributed to Gad a Marshall's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2000
Boston University Chobanian & Avedisian School of Medicine
26 years in practice
Experienced
Neurologists diagnose and treat disorders of the nervous system including stroke, epilepsy, multiple sclerosis, Parkinson's disease, migraines, neuropathy, and dementia.
Taxonomy: 2084N0400X
Education & Training
Boston University School of Medicine (Class of 2000)
Virtual Psychiatry & Neurology Care With Gad a Marshall
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Gad a Marshall for blood pressure monitoring, cholesterol management, cognitive care — 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 Gad a Marshall
Dr. Marshall is listed as active in the NPI registry with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 732-8085.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Gad a Marshall
Practice Location
Bwh Memory Disorder Unit 221 Longwood Ave, Boston, MA 02115
Mailing Address
Bwh Memory Disorder Unit 221 Longwood Ave, Boston, MA 02115
This is a provider directory. Contact the office directly to schedule appointments.
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