Dr. John Folan, MD

Dr. John Folan, MD

Internal Medicine  ·  
Male  ·  
Age 61
Dr. John Folan, MD is an internal medicine specialist in Smithtown, NY and has been practicing for 30 years. He graduated from Autonomous University of Guadalajara / Faculty of Medicine in 1983 and specializes in internal medicine, geriatric medicine, and more.

50 Route 25A Ste 740

Smithtown, NY 11787

Contact Information

(631) 862-3000

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Capital District Physician's Health Plan (CDPHP)
  • Cigna
  • Commercial Insurance Company
  • Connecticare
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • First Health (Coventry Health Care)
  • 12 More

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Learn about Dr. Folan

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Dr. Folan's Experience

Dr. Folan's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Internal Medicine
  • Board certified in Internal Medicine
  • No malpractice claims found
  • No sanctions found
  • No board actions found

3  Specialties

  • Internal Medicine
  • Geriatric Medicine
  • Preventive Occupational & Environmental Medicine

1  Board Certifications

  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

12  Conditions Treated

9  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for New York.

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.


  • State University of New York / Health Science Center At Stony Brook
    Undergraduate School | Graduated 1980
  • Autonomous University of Guadalajara / Faculty of Medicine
    Medical School | Graduated 1983
  • University of Maryland At Baltimore / Professional Schools
    Medical School | Graduated 1985
  • University Hospital Stony Brook
    Internship Hospital | Completed 1988
  • Veterans Med Center
    Residency Hospital | Completed 1988
  • DOT certified
    Other Education | Completed 2015
  • MRO Certified
    Other Education | Completed 2015

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Folan has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

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

Dr. Folan's Reviews

Likelihood of recommending Dr. Folan to family and friends
19 total reviews (6 have comments)

Likelihood to Recommend (19)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Folan's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    31 to 45 minutes

Patient Comments (6)

Rude, god forbid he happens to be on call when you call after hours
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He's the nastiest most disrepectful doctor I've ever had the displeasure of meeting, if you have any choice run far away
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Always wait at least an hour to be seen. And apparently according to his staff he sees his elderly patients b4 others so they aren't inconvenience.
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Dr. Folan allows his assistant Kristine to issue prescriptions. Kristine Recently prescribed for my recently widowed, 79 year old mother whi has had a heart attack, heart surgery, further heart complications since & high blood pressure ~> all while under Folan's care. My father always did say...more
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I have been a patient of Dr. Folan for maybe 20 years and to this day trust him to the fullest. His staff as well as himself have helped me thru some very difficult medical situations and always willing to help and advise the best specialists. Have recommended him to several family members of the...more
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