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Edit this profileAt a glance
- 1761 College Pkwy Ste 112, Carson City, NV 89706
About Dr. Demar
Mark A. Demar, M.D. practices general surgery in Carson City, NV. Mark is a 1991 graduate of University of Cincinnati College of Medicine. Mark is also listed as specializing in surgery. Medicare claims data shows Mark provided 56 services to 54 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, biopsy of large bowel using a flexible endoscope, and colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk. The provider's National Provider Identifier (NPI) is 1821050253.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (775) 684-9009
- Email not available
Practice Locations
1761 COLLEGE PKWY STE 112
Carson City, NV 89706
Conditions Commonly Evaluated or Treated
Within General Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anorectal
- Anal fissure
- Anal fistula
- Hemorrhoids
- Perianal abscess
- Rectal prolapse
Appendix, bowel, and emergency
- Diverticulitis
- Intra-abdominal abscess
- Mesenteric ischemia
- Peritonitis
Gallbladder and biliary
- Acute gallbladder inflammation
- Biliary dyskinesia
Hernia and abdominal wall
- Belly-button hernia
- Femoral hernia
- Groin hernia
- Hiatal hernia
- Incisional hernia
- Ventral hernia
Skin and soft tissue
- Epidermoid cyst
- Hidradenitis suppurativa
- Lipoma
- Skin and soft-tissue abscess
- Soft-tissue mass
Abdominal
Abdominal wall
Breast
- Benign breast disease
- Breast abscess
- Gynecomastia
Colorectal
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
Endocrine
Gastrointestinal
Hernia
- Diaphragmatic hernia
- Sports Hernia
- Strangulated Hernia
Infections
- Flesh-Eating Infection
Lymphatic
Oncology
Procedures & services
Most searched procedures
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
Hernia repair
- Laparoscopic groin-hernia repair
- Robotic hernia repair
Skin and soft tissue
Abdominal surgery
Abdominal wall
- Abdominal Muscle Separation Repair
Access and nutrition
- Jejunostomy feeding-tube placement
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
- Lymph Node Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
Colorectal
Colorectal surgery
- Colostomy Surgery
- Ileostomy Surgery
- Ostomy reversal
Digestive procedures
- Achalasia Surgery
- Acid reflux surgery
Endocrine surgery
- Partial Thyroid Removal
Gastrointestinal
Hernia surgery
- Sports hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
- Central line placement
- Chemo port placement
Wound care
- Wound cleaning and debridement
Procedures Most Often Billed to Medicare
56 services · 54 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
15 | Less often than most peers in General Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
18 | Less often than most peers in General Surgery |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
12 | Less often than most peers in General Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 | Less often than most peers in General Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other general surgeons in Carson City 4
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at University of Cincinnati College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at University of Cincinnati College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 4
Providers in NV who bill this service to Medicare most often.
Common questions
What is Mark A. Demar's specialty?
Mark A. Demar is a general surgeon in Carson City, NV. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where can I find Mark A. Demar?
Mark A. Demar is listed at 1761 College Pkwy Ste 112, Carson City, NV 89706. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark A. Demar?
The number on file is (775) 684-9009. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark A. Demar?
Mark A. Demar's National Provider Identifier is 1821050253. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mark A. Demar's education?
Mark A. Demar attended University of Cincinnati College of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark A. Demar have?
Mark A. Demar has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Mark A. Demar known for?
According to Medicare billing data, Mark A. Demar performs procedures including biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark A. Demar's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark A. Demar. If this is you, claiming it is free.
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