Louis Brenner, M.D.

Nephrology Internal Medicine

Louis Brenner is a Nephrology Internal Medicine specialist based in Boston, MA with over 30 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(617) 732-6660Boston, MA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Louis Brenner, M.D. has been part of the Boston medical community since 2007 in group practice. A Duke University School of Medicine graduate since 1996, he brings 30+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and kidney disease (per CMS claims data).

1 of 120 Internal Medicine providers in MASee all Internal Medicine in Boston30+ years experienceNPI since 2007

Older · 5043dNPPES updated 2012-08-06 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine

Contact & Location

Practice Location

Brigham & Women'S Hospital 75 Francis Street, Boston, MA 02115

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

33

Unique beneficiaries

Boutique practice

Prescription Recipients

15

Patients prescribed

Prescriptions Written

57

Total claims

Total Medicare drug cost: $1k

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.

Patient Condition Panel

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.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Chronic Kidney Disease
75%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Diabetes
45%

A condition where the body cannot properly regulate blood sugar levels

Anxiety Disorders
36%

Excessive worry or fear that interferes with daily life

Arthritis
33%

Joint inflammation causing pain, swelling, and stiffness

GeneralBehavioralNational avg

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.

Career Journey
  1. Graduated medical school · 1996

    Duke University School of Medicine

  2. 30 years in practice

    Senior practitioner

Internal MedicineAllopathic & Osteopathic Physicians

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

Duke University School of Medicine (Class of 1996)

Practice Footprint

Mailing address

111 Cypress St, Brookline, MA 02445-6002

Differs from practice location

Virtual Internal Medicine Care With Louis Brenner

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Louis Brenner 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 Brenner

NPI records show Dr. Brenner as active with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 732-6660.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Claim Profile

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.

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