We are taking steps to protect our patients, staff and the community from COVID-19.
We are now providing flu shots. Please contact our office to schedule an appointment with the flu clinic.
Littleton Internal Medicine Associates is committed to meeting your health and wellness needs during this unprecedented time. Here is what you need to know:
- We are continuing to schedule appointments with our patients.
- We are offering virtual appointments. Call us to learn more.
- We may be calling you to see if you would like a virtual appointment for any existing appointments you have scheduled, including Annual Wellness Visits.

Celinde Strohl, MD
Littleton Internal Medicine Associates
Practicing Since: 1993
Specialty Areas: Internal Medicine
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Practice Name: Littleton Internal Medicine Associates
Specialty Areas: Internal Medicine
Practicing Since: 1993
Board Certifications: American Board of Internal Medicine
Education – Undergraduate: Oberlin College
Education – Medical: Doctor of Medicine, Case Western Reserve University School of Medicine
Residency: University of Colorado School of Medicine
Languages Spoken: English
Personal: Dr. Strohl enjoys biking, yoga, reading, travel and spending time with family and dogs.

David Conway, MD, FACP
Littleton Internal Medicine Associates
Practicing Since: 1999
Specialty Areas: Internal Medicine
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Practice Name: Littleton Internal Medicine Associates
Specialty Areas: Internal Medicine
Practicing Since: 1999
Board Certifications: American Board of Internal Medicine
Recognitions & Awards: Fellow, American College of Physicians
Education – Undergraduate: University of Colorado Boulder
Education – Medical: Doctor of Medicine, University of Colorado School of Medicine
Residency: Oregon Health Sciences University
Languages Spoken: English
Personal: Dr. Conway enjoys bicycling, hiking, skiing, playing guitar and photography.

Kendall Lubeck, MD
Littleton Internal Medicine Associates
Practicing Since: 1999
Specialty Areas: Internal Medicine
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Practice Name: Littleton Internal Medicine Associates
Specialty Areas: Internal Medicine
Practicing Since: 1999
Board Certifications: American Board of Internal Medicine
Education – Undergraduate: Colorado College
Education – Medical: Doctor of Medicine, University of Colorado School of Medicine
Residency: Saint Joseph Hospital, Denver
Languages Spoken: English
Personal: Dr. Lubeck's favorite activities include hiking and biking.

Lauren Turra, PA-C
Littleton Internal Medicine Associates
Practicing Since: 2010
Specialty Areas: Internal Medicine
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Practice Name: Littleton Internal Medicine Associates
Specialty Areas: Internal Medicine
Practicing Since: 2010
Board Certifications: National Commission on Certification of Physician Assistants
Education – Undergraduate: University of Colorado Boulder
Education – Graduate: MS, Physician Assistant Studies, Midwestern University, Glendale, AZ
Languages Spoken: English
Personal: Lauren enjoys skiing, hiking and spending time with her husband and daughters.

Robert "Todd" Brown, PA-C
Littleton Internal Medicine Associates
Practicing Since: 2000
Specialty Areas: Internal Medicine
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Practice Name: Littleton Internal Medicine Associates
Specialty Areas: Internal Medicine
Practicing Since: 2000
Board Certifications: National Commission on Certification of Physician Assistants
Education – Undergraduate: University of Kansas
Education – Graduate: Physician Assistant Certificate, Red Rocks Community College; Master of Medical Science, Saint Francis University; MBA, Master of Health Administration, University of Colorado Denver
Languages Spoken: English
Personal: Todd is married with three children and enjoys hiking, skiing, cycling, golfing and travel.

Sherrie Montellano, PA-C
Littleton Internal Medicine Associates
Practicing Since: 2013
Specialty Areas: Internal Medicine
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Practice Name: Littleton Internal Medicine Associates
Specialty Areas: Internal Medicine
Practicing Since: 2013
Board Certifications: National Commission on Certification of Physician Assistants
Education – Undergraduate: Metropolitan State University of Denver
Education – Graduate: MS, Physician Assistant Studies, University of Colorado School of Medicine
Languages Spoken: English
Personal: Sherrie enjoys reading, singing, bike riding and spending time with her husband, two children and grandbaby.
Monday7:30 a.m. to 5:00 p.m.
Tuesday7:30 a.m. to 5:00 p.m.
Wednesday7:30 a.m. to 5:00 p.m.
Thursday7:30 a.m. to 5:00 p.m.
Friday7:30 a.m. to 5:00 p.m.
Saturday8:00 a.m. to 12:00 p.m.
SundayOffice Closed
Holiday Hours May VaryPlease call us to confirm.
Internal Medicine, Family Medicine
- Primary Care
- Preventive Care
- Bone Density (DEXA) Scan
- Echocardiogram
- Telehealth/Virtual Visits
- Authorization to Access Health Records of Minor
- Medical Orders for Scope of Treatment (MOST)
- Bone Density (DXA) Patient Questionnaire – LIMA
- Bone Density (DXA) Instructions – LIMA
- Cardiac Treadmill Instructions – LIMA
- Medicare Wellness Visit Intake – LIMA
- Mood and Alcohol Questionnaire – LIMA
- Stress Echocardiogram Instructions – LIMA
If you require urgent medical care after our office is closed, please call 303-798-9996 to speak with an on-call provider. If you feel you need emergency care, dial 911 or go directly to the emergency room. For routine questions, prescription refills or to schedule an appointment, please call during our normal business hours.
After Hours Phone Number: 303-798-9996 (Click the button below to place a call.)
Place After Hours Call