0 reviews
Summary
Dr. Donald Demke specializes in internal medicine, providing comprehensive care for adult patients. They graduated from the Medical College of Wisconsin and brings five decades of medical experience to their practice. Dr. Demke has dedicated their career to diagnosing and treating a wide range of health conditions affecting internal organ systems.
Dr. Demke practices in Longmont, Colorado, where they serve patients throughout the community. With 50 years in medicine, they have developed extensive expertise in managing complex medical conditions and coordinating patient care. Their long-standing commitment to internal medicine reflects a deep understanding of how to help patients maintain their health and manage chronic conditions effectively.
Dr. Demke practices in Longmont, Colorado, where they serve patients throughout the community. With 50 years in medicine, they have developed extensive expertise in managing complex medical conditions and coordinating patient care. Their long-standing commitment to internal medicine reflects a deep understanding of how to help patients maintain their health and manage chronic conditions effectively.
Overview based on verified provider data
Quick Facts
- 50 years of experience
- Medical College of Wisconsin
- 1 specialty
- 2 office locations
Office Locations
Dr. Donald Mark Demke has 2 locationsCompare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Donald Mark Demke, MD | Matthew Elander, DO | Nicole Nguyen, MD | Kathryn Calderwood, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| 50 Years of Experience | |||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Longmont , CO | Westminster , CO | Arvada , CO | Westminster , CO |
| Med School: Medical College of Wisconsin | |||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Donald Mark Demke
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Donald Mark Demke has the following specialty
Certifications, License, & Education
50 Years Experience
Education & Training
Medical School
Graduated from Medical College of Wisconsin in 1976.
NPI Number
Dr. Demke's NPI number is 0.
Similar doctors
Frequently Asked Questions
- How can I make an appointment with Dr. Donald Mark Demke?
- You can find contact information for Dr. Donald Mark Demke here on Vitals.
- Does Dr. Donald Mark Demke accept virtual/telehealth appointments?
- Dr. Donald Mark Demke has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Donald Mark Demke's office located?
- Dr. Donald Mark Demke's office is located at 5522 Pierson Mountain Ave, Longmont, CO, 80503.
- Does Dr. Donald Mark Demke accept my insurance?
- You can see the insurance plans that Dr. Donald Mark Demke accepts on their Vitals profile.
- Is Dr. Donald Mark Demke accepting new patients?
- Dr. Donald Mark Demke has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.





