Dr. Ian D. Kleinhen, MD, Internist
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Dr. Ian D. Kleinhen, MD


74 Mack St 1 Windsor CT, 06095



Dr. Ian Kleinhen is an internist practicing in Windsor, CT. Dr. Kleinhen specializes in the medical treatment of adults. Internists can act as a primary physician or a consultant to a primary physician. They manage both common and rare diseases. Dr. Kleinhen provides comprehensive care and manages treatment with surgeons as well. Internists establish long-term relationships with their patients and incorporate disease prevention and mental health care into their practice.

Education and Training

Villanova University BS 1991

Georgetown University School of Medicine 1995

Board Certification

American Board of Internal Medicine

Provider Details


Areas of expertise and specialization

Bale Doneen Method - Cardiovascular PreventionCIMT (Carotid Intima-Media Test)

Faculty Titles & Positions

  • Medical Director The Loomis Chaffee School 1998 - Present


  • Diabetes
  • High Cholesterol
  • Heart Disease
  • Acid Reflux
  • Sciatica
  • Type 2 Diabetes
  • Bronchitis
  • Coronary Artery Disease (cad)
  • Pain
  • Vascular Disease

Professional Memberships

  • American College of Physicians, ASIM Connecticut Chapter  


  • Thomas Jefferson University (1997)

Professional Society Memberships

  • Hartford County Medical Association, American College of Physicians, Connecticut Medical Society

Dr. Ian D. Kleinhen, MD's Practice location

Ian D. Kleinhen, MD

74 Mack St 1 -
Windsor, CT 06095
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New patients: 860-580-7071

Dr. Ian D. Kleinhen, MD's reviews

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Patient Experience with Dr. Kleinhen


Based on 22 reviews

Dr. Ian D. Kleinhen, MD has a rating of 4 out of 5 stars based on the reviews from 22 patients. FindaTopDoc has aggregated the experiences from real patients to help give you more insights and information on how to choose the best Internist in your area. These reviews do not reflect a providers level of clinical care, but are a compilation of quality indicators such as bedside manner, wait time, staff friendliness, ease of appointment, and knowledge of conditions and treatments.

Media Releases

Get to know Internist Dr. Ian D. Kleinhen, who serves patients in Windsor, Connecticut. 

Dr. Kleinhen is a well-versed internist with a strong emphasis on wellness and prevention established through a personalized healthcare approach. He is in practice with Windsor Medical Associates, LLC, which is a part of Hartford Hospital. 

Bringing more life to more lives, he is also affiliated with Saint Francis Hospital & Medical Center in Hartford. He takes the time to provide each patient with an individualized, unique healthcare plan structured to meet not only their current but their future goals as well.

After earning his Bachelor of Science degree from Villanova University in 1991, Dr. Kleinhen went on to obtain his medical degree from Georgetown University School of Medicine in Washington, D.C. in 1995. He completed his residency in internal medicine at Thomas Jefferson University Hospitals in 1997, followed by an additional residency in internal medicine at UConn Health in 1999.

In his continued efforts to advance in his field, he remains a member of several professional organizations, including the American College of Physicians, the ASIM Connecticut Chapter, the Hartford County Medical Association, and the Connecticut State Medical Society.

With over two decades of experience in his field, Dr. Kleinhen is board-certified in internal medicine by the American Board of Internal Medicine, a physician-led, non-profit, independent evaluation organization driven by doctors who want to achieve higher standards for better care in a rapidly changing world.

Internal medicine is the medical specialty dealing with the prevention, diagnosis, and treatment of adult diseases. Physicians specializing in internal medicine are called internists. They manage and prevent common and complex diseases by providing comprehensive care and promoting overall well-being.

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Nearby Providers

Nearest Hospitals



Head south on Mack Street 356 ft
Turn right onto Bloomfield Avenue (CT 305) 3453 ft
Take the ramp on the left 1264 ft
Merge left onto I 91 1.8 mi
Take the ramp on the right towards CT 218: Windsor 1395 ft
Turn right onto Putnam Highway (CT 218) 5005 ft
Continue straight onto Cottage Grove Road (CT 218) 2962 ft
Turn left onto Blue Hills Avenue (CT 187) 2.4 mi
Go straight onto Albany Avenue (US 44) 545 ft
Turn right onto Woodland Street 2672 ft
You have arrived at your destination, on the left



Head south on Mack Street 356 ft
Turn right onto Bloomfield Avenue (CT 305) 3453 ft
Take the ramp on the left 1264 ft
Merge left onto I 91 5.7 mi
Take the ramp on the right towards State Street 2096 ft
Continue straight onto State Street 1072 ft
Turn left onto Main Street 4030 ft
Go straight onto Retreat Avenue 853 ft
Turn right 206 ft
You have arrived at your destination, straight ahead



Head south on Mack Street 356 ft
Turn right onto Bloomfield Avenue (CT 305) 3453 ft
Take the ramp on the left 1264 ft
Merge left onto I 91 2131 ft
Take the ramp on the right towards CT 178: Park Avenue 1948 ft
Turn right onto Park Avenue (CT 178) 1.2 mi
Continue straight onto East Wintonbury Avenue (CT 178) 3055 ft
Continue straight onto Wintonbury Avenue (CT 178) 2788 ft
Continue straight onto School Street (CT 178) 4853 ft
Turn right onto Cottage Grove Road (CT 218) 1.5 mi
Turn left onto Bloomfield Avenue (CT 189) 1.3 mi
Turn right onto Abrahms Boulevard 91 ft
You have arrived at your destination, on the right