5
8 Ratings
Summary
Dr. Mark Simmons specializes in internal medicine and pediatrics, bringing comprehensive care to patients of all ages. He earned his medical degree from the University of Kansas School of Medicine, where he also completed his residency training. With 34 years of clinical experience, Dr. Simmons has developed extensive expertise in treating both adult and pediatric patients. He provides care in English.
Dr. Simmons maintains affiliations with Poudre Valley Hospital, Northwest Medical Center, Oro Valley Hospital, and UCHealth Medical Center of The Rockies, with practice locations in Fort Collins, Colorado, Loveland, Colorado, and Oro Valley, Arizona. He treats conditions such as muscle cramps and spasms, swallowing difficulties, and childhood speech disorders. His practice includes performing rapid strep tests and flu testing for quick diagnosis. Patients rate Dr. Simmons 5.0 out of 5 stars on average.
Dr. Simmons maintains affiliations with Poudre Valley Hospital, Northwest Medical Center, Oro Valley Hospital, and UCHealth Medical Center of The Rockies, with practice locations in Fort Collins, Colorado, Loveland, Colorado, and Oro Valley, Arizona. He treats conditions such as muscle cramps and spasms, swallowing difficulties, and childhood speech disorders. His practice includes performing rapid strep tests and flu testing for quick diagnosis. Patients rate Dr. Simmons 5.0 out of 5 stars on average.
Overview based on verified provider data
Quick Facts
- 34 years of experience
- speaks English
- University Of Kansas School Of Medicine
- 2 specialties
- 8 areas of expertise
- 2 board certifications
- 4 hospital affiliations
- 3 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Mark Stuart Simmons has 3 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Mark Stuart Simmons, MD | Julia Cuervo, MD | Eric Harker | Dr. Michelle Xiao Song, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 34 Years of Experience | 23 Years of Experience | 25 Years of Experience | 6 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks Spanish, German | Speaks English | Speaks English, Mandarin, Spanish |
| Fort Collins , CO | Berthoud , CO | Lyons , CO | Denver , CO |
| Med School: University Of Kansas School Of Medicine | Med School: Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med | Med School: Duke University School Of Medicine | Med School: UCLA's David Geffen School of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mark Stuart Simmons
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Mark Stuart Simmons has the following 2 specialties
Specialty Expertise
Dr. Mark Stuart Simmons has the following 8 areas of expertise
Certifications, License, & Education
34 Years Experience
Dr. Mark Stuart Simmons holds active and expired medical licenses in the states of Arizona and Colorado.
Medical License
Medical Doctor with an active medical license in the state of Arizona that expires in 2026 and an expired medical license in the state of Colorado that expired in 2025.
Education & Training
Residency
Completed their residency at University Of Kansas School Of Medicine.
Medical School
Graduated from University Of Kansas School Of Medicine in 1992.
NPI Number
Dr. Simmons' NPI number is 1811092760.
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Frequently Asked Questions
- How can I make an appointment with Dr. Mark Simmons?
- You can find contact information for Dr. Mark Simmons here on Vitals.
- Where is Dr. Mark Simmons's office located?
- Dr. Mark Simmons's office is located at 1024 S Lemay Ave, Fort Collins, CO, 80524.
- Does Dr. Mark Simmons accept virtual/telehealth appointments?
- Dr. Mark Simmons has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Is Dr. Mark Simmons accepting new patients?
- Dr. Mark Simmons has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Mark Simmons accept my insurance?
- You can see the insurance plans that Dr. Mark Simmons accepts on their Vitals profile.
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