5
8 Ratings
Summary
Dr. Mark Simmons specializes in internal medicine and pediatrics, providing comprehensive care for patients across all age groups. He earned his medical degree from the University of Kansas School of Medicine, where he also completed his residency training. With 34 years of experience in medicine, Dr. Simmons has built extensive expertise in treating both adult and pediatric patients. He is fluent in English.
Dr. Simmons practices at several locations including Fort Collins and Loveland, Colorado, as well as Oro Valley, Arizona, with affiliations at Poudre Valley Hospital, UCHealth Medical Center of the Rockies, Northwest Medical Center, and Oro Valley Hospital. His clinical focus includes treating muscle cramps and spasms, swallowing difficulties, and childhood speech disorders. He performs diagnostic procedures such as rapid strep testing and flu testing, and provides physical therapy services. Patients have given Dr. Simmons an average rating of 5.0 on Vitals.
Dr. Simmons practices at several locations including Fort Collins and Loveland, Colorado, as well as Oro Valley, Arizona, with affiliations at Poudre Valley Hospital, UCHealth Medical Center of the Rockies, Northwest Medical Center, and Oro Valley Hospital. His clinical focus includes treating muscle cramps and spasms, swallowing difficulties, and childhood speech disorders. He performs diagnostic procedures such as rapid strep testing and flu testing, and provides physical therapy services. Patients have given Dr. Simmons an average rating of 5.0 on Vitals.
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 | Dr. Michelle Xiao Song, MD | Dr. Adewumi Bakare DMSc, PA-C |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 34 Years of Experience | 23 Years of Experience | 6 Years of Experience | 5 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks German, Spanish | Speaks English, Mandarin, Spanish | Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) |
| Fort Collins , CO | Berthoud , CO | Denver , CO | Mesquite , TX |
| 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: UCLA's David Geffen School of Medicine | Med School: University of Lynchburg - DMSc |
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 expired and active medical licenses in the states of Colorado and Arizona.
Medical License
Medical Doctor with an expired medical license in the state of Colorado that expired in 2025 and an active medical license in the state of Arizona that expires in 2026.
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
- Which hospitals is Dr. Mark Simmons affiliated with?
- Dr. Mark Simmons is affiliated with Poudre Valley Hospital, Northwest Medical Center, Oro Valley Hospital, and Uchealth Medical Center Of The Rockies.
- 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.
- How can I make an appointment with Dr. Mark Simmons?
- You can find contact information for Dr. Mark Simmons here on Vitals.
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