Ronald Swerdloff, M.D.

Endocrinology, Diabetes & Metabolism

Internal Medicine

Ronald Swerdloff is an Endocrinology, Diabetes & Metabolism specialist based in Torrance, CA with over 64 years of clinical experience. Offers virtual telehealth visits.

(310) 222-5101Torrance, CA
Telehealth Available
NPI Active per CMS — Q2 2026

Ronald Swerdloff, M.D. has been part of the Torrance medical community since 2006 in group practice. He graduated from University of California, San Francisco School of Medicine in 1962 and has 64+ years of clinical experience. Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, and more.

1 of 547 Internal Medicine providers in CASee all Internal Medicine in Torrance64+ years experienceNPI since 2006

Older · 6380dNPPES updated 2008-12-03 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

21840 Normandie Ave Ste. 700, Torrance, CA 90502-2047

Fax: (310) 320-5463

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1962

    University of California, San Francisco School of Medicine

  2. 64 years in practice

    Senior practitioner

Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).

Taxonomy: 207RE0101X

Education & Training

University of California, San Francisco School of Medicine (Class of 1962)

Virtual Endocrinology, Diabetes & Metabolism Care With Ronald Swerdloff

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

Schedule a virtual visit with Ronald Swerdloff for follow-ups, medication reviews, and ongoing care — no travel to Torrance required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Ronald Swerdloff

Dr. Swerdloff is listed as active in the NPI registry with telehealth listed in Torrance, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (310) 222-5101.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. 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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