Marc B. Garnick, M.D.
Marc B. Garnick is a Hematology & Oncology specialist based in Boston, MA with over 54 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Marc B. Garnick, M.D. has practiced internal medicine for 54+ years, working in group practice. Trained at Perelman School of Med at the University of Pennsylvania (class of 1972), he has been practicing for over 54 years. CMS Medicare data shows his patients commonly have high cholesterol, cancer, and hypertension.
At a glance
- Uses generic medications more than 31% of reporting doctors in Massachusetts
- Virtual visits available — no app or travel required
Older · 6895dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
Contact & Location
Practice Location
330 Brookline Ave, Boston, MA 02215-5400
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better82.7%
Massachusetts avg: 81.9 · US avg: 82.8
⚠ Lower than most doctors nationally(-0.1 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
75
Unique beneficiaries
Standard volumePrescriptions Written
81
Total claims
Total Medicare drug cost: $218k
Percentile rankings compared against 1,606 reporting peers in Massachusetts.
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 High Cholesterol, Cancer, and Hypertension.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+54%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-13%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-7%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$14.3k received from industry
2 transactions reported in 2024 ·High 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 Marc B. Garnick's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1972
Perelman School of Medicine at the University of Pennsylvania
54 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Education & Training
Perelman School of Med at the University of Pennsylvania (Class of 1972)
Mailing address
330 Brookline Avenue Beth Israel Deaconess Medical Center - Shapiro Clinical, Boston, MA 02215-5419
Differs from practice location
Virtual Hematology & Oncology Care With Marc B. Garnick
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Marc B. Garnick for cholesterol management, follow-up consultations, blood pressure monitoring — 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 Marc B. Garnick
NPI records show Dr. Garnick as active with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 667-5288.
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 Marc B. Garnick
Practice Location
330 Brookline Ave, Boston, MA 02215-5400
Mailing Address
330 Brookline Avenue Beth Israel Deaconess Medical Center - Shapiro Clinical, Boston, MA 02215-5419
This is a provider directory. Contact the office directly to schedule appointments.
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