Dr. John Duffy, MD

Dr. John Duffy, MD

Psychiatry  ·  
Male  ·  
Age 53
Dr. John Duffy, MD is a psychiatry specialist in Santa Ana, CA and has been practicing for 24 years. He graduated from Georgetown Univ Sch Of Med in 1994 and specializes in psychiatry, geriatric psychiatry, and more.

1401 N Tustin Ave Ste 130

Santa Ana, CA 92705

Contact Information

Learn about Dr. Duffy

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Top Care Areas

See how frequently Dr. Duffy performs your care needs compared to other doctors.

very high
more than 90% of peers
Psychosis Due to Mental Illness
more than 81% of peers
Brain Disorders
more than 52% of peers

Dr. Duffy's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

5  Specialties

  • Psychiatry
  • Age Management Medicine
  • Geriatric Medicine
  • Geriatric Psychiatry
  • Nephrology

0  Board Certifications

Dr. Duffy does not have any board certifications listed.

66  Conditions Treated


Read Less

2  Procedures

  • Group Psychotherapy
  • Psychiatric Evaluation

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Georgetown Univ Sch Of Med
    Medical School | Graduated 1994

Awards & Recognition

Awards & Honors

Dr. Duffy has no awards or honors listed.

Media & Publications

Dr. Duffy has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Duffy does not have any memberships or affiliations listed. If you are Dr. Duffy and would like to add memberships or affiliations, please update your profile.

Dr. Duffy's Reviews

Likelihood of recommending Dr. Duffy to family and friends
4 total reviews

Likelihood to Recommend (4)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Duffy's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    Under 10 minutes
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