Dr. Mark A. Demar
- Gender: Male
- Experience: 30 years
- Graduated from: University Of Cincinnati College Of Medicine
- Graduation year: 1991
- Sole propriator: No
- NPI: 1821050253
Dr. Mark A. Demar M.D.
Surgeon
He is located at 1761 College Parkway Suite 112 in Carson City, NV 89706. Can help patients with the following: Cancer, Crohn's Disease, Diverticulosis, Enlarged Spleen, Heart Disease, Ulcerative Colitis. His National Provider Identifier (NPI) number is 1821050253. Appointment can be made via the phone number (775) 684-9009. He is affiliated with 3 practices and 2 hospitals.
Conditions treated
Dr. Mark A. Demar, being an surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mark A. Demar.
- Achalasia
- Anal Fissure
- Appendicitis
- Boils
- Cancer
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Sebaceous Cyst
- Ulcerative Colitis
Procedures Performed by Dr. Mark A. Demar
Medicare Enrollment
Dr. Mark A. Demar is enrolled to bill Medicare as a Practitioner - General Surgery (also registered under: Practitioner - General Practice) .
Bills through: Northeastern Nevada Physician Practices Llc
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received from industry
- $16,275.63 in general payments (consulting fees, meals, travel, gifts, etc.) across 49 payments
Meals, travel & gifts
| Category | Amount | Payments |
|---|---|---|
| Travel and lodging | $4,094.01 | 16 |
| Food and beverage | $1,181.62 | 29 |
Other payments
| Category | Amount | Payments |
|---|---|---|
| Education | $11,000.00 | 4 |
Companies that paid this doctor
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $16,262.32 | 48 |
| Davol Inc. | $13.31 | 1 |
Based on CMS Open Payments data collected as of Sep 10, 2026. This reflects only payments CMS classifies as reportable and published under the Physician Payments Sunshine Act - it is not a complete picture of every financial relationship, and it is not a comment on the quality of care Dr. Mark A. Demar provides.
Studies
UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated in 1991Affiliated practices
Questions & Answers
What conditions does Dr. Mark A. Demar treat?
Dr. Mark A. Demar provides treatment for Cancer, Crohn's Disease, Diverticulosis, Enlarged Spleen, Heart Disease, Ulcerative Colitis. For the full list see this list.
Does Dr. Mark A. Demar have affiliation with practices?
Dr. Mark A. Demar is affiliated with Carson Tahoe Regional Healthcare. For the full list of practices see this list.
Has Dr. Mark A. Demar affiliation with hospitals?
Dr. Mark A. Demar is affiliated with CARSON VALLEY MEDICAL CENTER. For the full list of hospitals see this list.
Where can you meet with Dr. Mark A. Demar?
Dr. Mark A. Demar's office is located at 1761 College Parkway Suite 112 in Carson City, NV 89706.