Dr. Mark DeMar, MD

Dr. Mark DeMar, MD

General Surgery  ·  
Male  ·  
Age 55
Dr. Mark DeMar, MD is a general surgery specialist in Carson City, NV and has been practicing for 27 years. He graduated from University Of Cincinnati College Of Medicine in 1991 and specializes in general surgery.

1470 Medical Pkwy Ste 280

Carson City, NV 89703

Contact Information

(775) 882-8848

Insurance Accepted

  • Aetna
  • Amerigroup (Wellpoint)
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • CareSource
  • 32 More

*Please verify this information when scheduling an appointment.

Learn about Dr. DeMar

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. DeMar performs your care needs compared to other doctors.

Laparoscopic Surgical Procedure
more than 79% of peers
Cholecystitis and Gallstones
more than 78% of peers
Port Placements or Replacements
more than 77% of peers

Dr. DeMar's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • General Surgery

1  Board Certifications

  • General Surgery
    Accredited by: American Board of Surgery*

77  Conditions Treated


Read Less

67  Procedures

  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Appendectomy, Laparoscopic
  • Appendectomy, Open
  • Axillary Lymph Node Dissection
  • Bile Duct Procedure
  • Biopsy of Breast
  • Bone Marrow Biopsy
  • Breast Reconstruction
  • Breast Surgical Procedure
  • Colectomy
  • Colon and Rectal Surgery
  • Decortication and Pleurectomy
  • Destruction of Anal Tumor
  • Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
  • Enterostomy (Laparoscopic or Open)
  • Esophageal Surgery
  • Esophagectomy (Esophagogastrostomy, Esophagojejunostomy)
  • Excision of Breast Tumor
  • Excision of Rectal Tumor
  • Excision of Skin Lesion
  • Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
  • Fecal Impaction Removal
  • Femoral Hernia Repair, Open
  • Fistulectomy or Fistulotomy, Anal
  • Gallbladder Removal
  • Gallbladder Removal (Cholecystectomy), Laparoscopic
  • Gallbladder Removal (Cholecystectomy), Open
  • Gastroenterology Procedures
  • Gastrotomy
  • Head and Neck Surgery
  • Heart Surgery
  • Hemorrhoidectomy or Excision of Anal Tags
  • Hernia Repair
  • Incision and Removal of Foreign Object
  • Incisional Hernia Repair, Laparoscopic
  • Inguinal Hernia Repair, Laparoscopic
  • Inguinal Hernia Repair, Open
  • Intestinal Transplant (incl. Enterectomy)
  • Laparoscopic Surgical Procedure
  • Laparotomy
  • Lung Surgery
  • Lymph Node Biopsy or Excision
  • Mastectomy
  • Open Diaphragmatic and-or Paraesophageal Hiatal Hernia Repair
  • Open Incisional and-or Ventral Hernia Repair
  • Orchiectomy
  • Paracentesis
  • Paraesophageal Hernia Repair, Laparoscopic
  • Parathyroidectomy
  • Port Placements or Replacements
  • Proctectomy, Open or Laparoscopic (incl. Swenson and Duhamel Procedures)
  • Removal of Reproductive Organs (Hysterectomy, Oophorectomy, Salpingectomy, Salpingo-Oophorectomy, Resection of Peritoneal Malignancy)
  • Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
  • Renal Transplant and Nephrectomy
  • Repair of Anal and Rectal Defects (Anoplasty, Repair of Imperforate Anus, Sphincteroplasty, Rectal Graft)
  • Sphincterotomy
  • Splenectomy
  • Splenectomy and Splenorrhaphy
  • Stomach Surgery
  • Thoracentesis
  • Thyroidectomy
  • Thyroidectomy or Thyroid Lobectomy
  • Tracheal Surgery
  • Umbilical or Ventral Hernia Repair, Laparoscopic
  • Video-Assisted Thoracoscopic Surgery (VATS) or Thoracotomy
  • Wound Repair


Read Less

Background Check

0 Malpractice Claims

No malpractice history found for Nevada.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University Of Cincinnati College Of Medicine
    Medical School | Graduated 1991
  • Covenant Hlthcare Sys Harrison
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. DeMar has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. DeMar does not have any memberships or affiliations listed. If you are Dr. DeMar and would like to add memberships or affiliations, please update your profile.

Dr. DeMar's Reviews

Likelihood of recommending Dr. DeMar to family and friends
21 total reviews (4 have comments)

Likelihood to Recommend (20)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. DeMar's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (4)

Very great doctor super nice
Was this helpful? thumbs up icon optionthumbs down icon option
Flag this
Excellent experience with Dr DeMar. I was admitted to CVMC for emergency gall bladder surgery. Dr DeMar introduced himself, talked about the surgery and asked if I had any concerns or questions. He was in between surgeries, so he said he would be back in a couple of hours to answer any more...more
Was this helpful? thumbs up icon optionthumbs down icon option
Flag this
I saw Dr. DeMar two hours after I had received news that my breast tumor was cancerous. He presented me with three options: lumpectomy with radiation, mastectomy, or mastectomy with reconstruction. He stated that there was only radiation in Reno, a 50 minute drive away. I was not offered any...more
Was this helpful? thumbs up icon optionthumbs down icon option
Flag this
Wife had Empyema diagnosed by Dr Demar, the first doctor to actually find what has been wrong for almost a year of suffering. What a relief to finally know! A wonderful surgeon.
Was this helpful? thumbs up icon optionthumbs down icon option
Flag this
Are you Dr. DeMar?
Make it easy for patients to share their feedback. Also manage your personalized profile!

Nearby doctors with similar experience

General Surgery
General Surgery
Bariatric Medicine
General Surgery
General Surgery
General Surgery
General Surgery
Vascular Surgery
Orthopedic Hand Surgery
Bariatric Surgery