Summary

Dr. Joan Duffy is an internal medicine physician who specializes in geriatric medicine, bringing four decades of medical expertise to her practice. She earned her medical degree from the University of California Irvine College of Medicine and has dedicated her career to caring for adult patients, with particular focus on the unique health needs of older adults.

Dr. Duffy practices at Kaiser Permanente Downey Medical Center in Downey, California. She treats patients with Type 2 diabetes and atrial fibrillation, helping them manage these chronic conditions effectively. Her approach to geriatric care includes coordinating physical therapy and strength training programs to help older adults maintain their mobility and independence.

AI-generated from data on this provider profile.

Quick Facts

  • 1
  • 40 years of experience
  • 12 insurance plans accepted
  • University Of California Irvine College Of Medicine
  • 1 written review
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

Downey Regional Medical Center

11500 Brookshire AveDowney, CA 90241

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Dr. Joan Marie Duffy, MDDr. Nima Ghadimi, MDKarthikeyan Viswanathan, DODr. Shilpa Sayana, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
4.7 
40 Years of Experience 29 Years of Experience 12 Years of Experience 22 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Tamil Speaks English
Downey , CAScottsdale , AZLos Altos , CASHERMAN OAKS , CA
Med School: University Of California Irvine College Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo Med School: Bassett Medical Center - Cooperstown, New York Med School: The Robert Larner Md College Of Medicine At The University Of Vermont
Current Profile
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Insurance Plans Accepted by Dr. Joan Marie Duffy

  • Blue Shield of California
  • CareMore
  • Kaiser Permanente
  • Kaiser Permanente - DHMO
  • Kaiser Permanente - Medicaid (Managed)
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid (Managed)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare

Medical Specialties

Dr. Joan Marie Duffy has the following 2 specialties

Specialty Expertise

Dr. Joan Marie Duffy has the following 11 areas of expertise

  • Alzheimer's Disease
  • Cognitive Issues/Testing
  • Confusion
  • Dementia
  • Diabetes
  • EOL Care
  • Geriatric Medicine
  • Osteopenia
  • Osteoporosis
  • Senility
  • Urinary Incontinence

Certifications, License, & Education

40 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

University Of California Irvine College Of MedicineGraduated in 1990
UNIVERSITY OF CALIFORNIA IRVINE SCHOOL OF MEDICINEGraduated in 1986

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Frequently Asked Questions

Does Dr. Joan Duffy accept my insurance?
You can see the insurance plans that Dr. Joan Duffy accepts on their Vitals profile.
Is Dr. Joan Duffy accepting new patients?
Dr. Joan Duffy has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. Joan Duffy's office located?
Dr. Joan Duffy's office is located at 11500 Brookshire Ave, Downey, CA, 90241.
Which hospitals is Dr. Joan Duffy affiliated with?
Dr. Joan Duffy is affiliated with KAISER PERMANENTE DOWNEY MEDICAL CENTER.
Does Dr. Joan Duffy accept virtual/telehealth appointments?
Dr. Joan Duffy has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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