Louis Ercolani, M.D.
Louis Ercolani is a Nephrology Internal Medicine specialist based in Boston, MA with over 53 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Louis Ercolani, M.D. has practiced internal medicine for 53+ years, working in group practice. A State University of New York at Stony Brook, School of Medicine graduate since 1973, he brings 53+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and kidney disease.
At a glance
- Uses generic medications more than 36% of reporting doctors in Massachusetts
- Virtual visits available — no app or travel required
Older · 5357dNPPES updated 2011-09-23 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
Contact & Location
Practice Location
55 Fruit St Mass General Renal Unit, Boston, MA 02114-2621
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better84.4%
Massachusetts avg: 81.9 · US avg: 82.8
✓ Higher than most doctors nationally(+1.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
176
Unique beneficiaries
Standard volumePrescription Recipients
73
Patients prescribed
Prescriptions Written
455
Total claims
Total Medicare drug cost: $100k
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 Hypertension, High Cholesterol, and Chronic Kidney Disease.
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
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+45%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+26%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+38%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+23%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+23%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
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.
Graduated medical school · 1973
Renaissance School of Medicine at Stony Brook University
53 years in practice
Senior practitioner
Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.
Taxonomy: 207RN0300X
Education & Training
State University of New York at Stony Brook, School of Medicine (Class of 1973)
Mailing address
Po Box 9142 Mass General Physicians Organization, Charlestown, MA 02129-9142
Differs from practice location
Virtual Internal Medicine Care With Louis Ercolani
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Louis Ercolani for blood pressure monitoring, cholesterol management, kidney care follow-ups — 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 Louis Ercolani
NPI records show Dr. Ercolani as active with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 726-5050.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Louis Ercolani
Practice Location
55 Fruit St Mass General Renal Unit, Boston, MA 02114-2621
Mailing Address
Po Box 9142 Mass General Physicians Organization, Charlestown, MA 02129-9142
This is a provider directory. Contact the office directly to schedule appointments.
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