Dr. James Robert Regan MD, Internist

Dr. James Robert Regan MD


200 W County Line Rd Suite 370 Littleton CO, 80129



Dr. James Regan is an internist practicing in Littleton, CO. Dr. Regan 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. Regan 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

Wayne State Univ Sch of Med, Detroit Mi 1982

Wayne State University School of Medicine 1982

Board Certification

Internal MedicineAmerican Board of Internal MedicineABIM

Provider Details

Male English

Areas of expertise and specialization

Internal Medicine, adult outpatient healthcare

Faculty Titles & Positions

  • Associate Clinical Professor of Medicine University of Colorado School of Medicine 1995 - 2017
  • President Denver Medical Society 1999 - 2000
  • Board of Directors Colorado Medical Society 2004 - 2009
  • Treasure, Colorado Medical Society Colorado Medical Society 2008 - 2009
  • Chair of the BOD Colorado Foundation for Medical Care 2010 - 2011
  • Advisory Board Connect for Colorado 2016 - 2017
  • Board member, Drug Utilization Review Board, State of Colorado Colorado 1997 - 2016
  • Member Medicare Carrier Advisory Committee Colorado region 1998 - 2002


  • Fellowship2005American College of Physicians
  • Best Doctors2016Best Doctors


  • High Cholesterol
  • Sleep Apnea
  • Sleep Disorders
  • Herniated Disc
  • Learning Disabilities
  • Tremors
  • Indigestion
  • Pain
  • Prostatitis
  • Attention Deficit Hyperactivity Disorder (adhd)
  • Vascular Disease

Professional Memberships

  • American Medical Association
  • American College of Physicians
  • Colorado Medical Society
  • Denver Medical Society


  • Exempla St Joseph Hosp, Internal Medicine; Wayne St Univ Affil Hosp, Flexible Or Transitional Year  
  • St Joseph Hospital   1983
  • Wayne State University School of Medicine Program   

Charities and Philanthropic Endeavors

  • Bethesda Lutheran Communities, medical director since 1987, Littleton, Colorado
  • Operation Walk, orthopedic mission to third world countries, doing medical clearance.
  • Cubmaster, Denver Area Council Pack 376, 2005-2011
  • Skyline Soccer Association, Board of Directors, 2007-2010
  • Governing Board, The Cherry Creek Challenge School, 2009-2011

Hospital Affiliations

  • L

Dr. James Robert Regan MD's Practice location

Practice At 200 W County Line Rd Suite 370

200 W County Line Rd Suite 370 -
Littleton, CO 80129
Get Direction
New patients: 303-791-8346

Get Direction
New patients: 303-791-8346
Fax: 303-683-5773

Request An Appointment With Dr. James Robert Regan MD | Internist

Please note that this request is not considered final until you receive email notification confirming the details.

In the event the doctor is not yet registered with FindaTopDoc, we will contact the office on your behalf in an effort to secure your appointment.

Dr. James Robert Regan MD's reviews

Write Review

Patient Experience with Dr. Regan


Based on 34 reviews

Dr. James Robert Regan MD has a rating of 4 out of 5 stars based on the reviews from 34 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.

Recommended Articles

  • Boost Your Energy Levels

    Boost your energy and recharge yourself, no matter how busy you are in work or life. You can use a 10 minute break to reinvigorate yourself and gear up for the rest of the day. Some of the quick ways to boost energy include:...

  • What Are the Symptoms of Strep Throat?

    Strep throat is the infection of the throat and tonsils by the streptococcus bacteria. Bacterial infections are one of the causes of sore throats and are very common in children and adolescents. The severity of a sore throat depends on the type of streptococcus causing the infection. Moreover, sore...

  • 5 Treatments for Excessive Sweating

    What is excessive sweating?Excessive sweating is also known as hyperhidrosis. Abnormal and excessive sweating is not necessarily related to a rise in body temperature or intensive exercises. In this condition, sweating is so excessive that it tends to soak the clothes of an individual. At times,...

  • HIV: 5 Transmission Myths

    What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...

  • How to Choose the Right Conditioner for Your Hair

    Remember that not all hair products are good for everyone. Understanding how to choose the right conditioner is very important to get healthy locks.In most cases, your professional hair stylist would be able to choose the right conditioner for your hair. This is mostly based on the texture of your...

  • Decoding Facts About the Strep Throat Infection

    Is it a sore throat or a strep throat infection?Strep throat is a medical condition associated with bacteria that infect the throat and tonsils. The infection is caused by group A Streptococcus bacteria. This group of bacteria is usually spread through contact with droplets of an infected person....

Nearby Providers

Nearest Hospitals



Head east on West County Line Road 768 ft
Turn left onto South Broadway 6.0 mi
Turn right onto East Hampden Avenue 1972 ft
Turn left 235 ft
You have arrived at your destination, on the right



Head east on West County Line Road 720 ft
Turn right onto South Broadway 1430 ft
Turn left onto Dad Clark Drive 1.5 mi
Turn right onto South University Boulevard 1.3 mi
Keep in the middle 1.8 mi
Continue straight onto East Lincoln Avenue 1.6 mi
Turn right onto RidgeGate Parkway 1992 ft
Keep right at the fork onto RidgeGate Parkway 2442 ft
Enter the roundabout and take the 2nd exit onto RidgeGate Parkway 595 ft
Turn left 49 ft
Make a slight right 128 ft
Make a sharp right 185 ft
Turn left 325 ft
Turn left 105 ft
You have arrived at your destination, on the left



Head east on West County Line Road 768 ft
Turn left onto South Broadway 3641 ft
Turn right 392 ft
You have arrived at your destination, on the left