Jeffrey Alan Berenson, MD

Internal Medicine

Jeffrey Alan Berenson is an Internal Medicine specialist based in Mendocino, CA with over 48 years of clinical experience. Offers virtual telehealth visits.

(707) 937-1055Mendocino, CA
Telehealth Available
NPI Active per CMS — Q2 2026

Jeffrey Alan Berenson, MD has practiced internal medicine for 48+ years, working in group practice. Trained at University of California, San Francisco School of Medicine (class of 1978), he has been practicing for over 48 years. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).

At a glance

  • Uses generic medications more than 54% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 3,565 Internal Medicine providers in CASee all Internal Medicine in Mendocino48+ years experienceNPI since 2006

Older · 1885dNPPES updated 2021-03-25 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

45081 Little Lake Street, Mendocino, CA 95460

Fax: (707) 937-1061
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 High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Hypertension
Higher than avg (+3%)73%

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

US avg: 70.2%

↑ More patients than average (+3%) — a focus area for this doctor

Arthritis
Lower than avg (-14%)35%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-14%) — less common here

Osteoporosis
Higher than avg (+4%)22%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+4%) — a focus area for this doctor

Atrial Fibrillation
Lower than avg (-2%)20%

An irregular, often rapid heartbeat that increases the risk of stroke

US avg: 22%

↓ Fewer patients than average (-2%) — less common here

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 · 1978

    University of California, San Francisco School of Medicine

  2. Board certified · Mar 24, 2021

    Self-reported via NPPES

  3. 48 years in practice

    Senior practitioner

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Education & Training

University of California, San Francisco School of Medicine (Class of 1978)

Practice Footprint

Mailing address

3536 Mendocino Ave Suite 200, Santa Rosa, CA 95403-3634

Differs from practice location

Virtual Internal Medicine Care With Jeffrey Alan Berenson

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

Schedule a virtual visit with Jeffrey Alan Berenson for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Mendocino required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Jeffrey Alan Berenson

Dr. Berenson is listed as active in the NPI registry with telehealth listed in Mendocino, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (707) 937-1055.

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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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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