Physician Profile
Mark D. Zeglis, M.D.
Unclaimed ProfileAbout Dr. Zeglis
Mark D. Zeglis, M.D. practices gastroenterology in Ypsilanti, MI. Mark is a 2001 graduate of University of Michigan Homeopathic Medical School. Medicare claims data shows Mark provided 456 services to 438 patients. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, removal of polyps or growths of large bowel using an endoscope with mechanical snare, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (734) 434-6262
- Email not available
Practice Locations
5300 ELLIOTT DR
Ypsilanti, MI 48197
Conditions Commonly Evaluated or Treated
Within Gastroenterology 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
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
- Anal fissure
- Colon cancer
- Colon polyps
- Lower gastrointestinal bleeding
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
- Chronic diarrhea
- Fecal incontinence
- Small intestinal bacterial overgrowth
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
- Diverticulitis
Digestive Symptoms
- Constipation
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Lower endoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Upper endoscopy
- Endoscopic submucosal dissection
- Esophageal dilation
Capsule and physiology testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
Diagnostic Testing
- 24-Hour Acid Reflux Test
- EUS-Guided Fine Needle Biopsy
- H. Pylori Breath Test
- SIBO Breath Test
Liver procedures
- Esophageal variceal banding
- Liver elastography
- Paracentesis
Treatments
- Stool Transplant
Procedures Most Often Billed to Medicare
456 services · 438 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
79 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
57 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
38 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
24 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
17 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
97 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
41 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
39 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
17 |
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 gastroenterologists at this location 8
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.
More connections — 7 related providers in 1 group
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 7
Providers in MI who bill this service to Medicare most often.
Common questions
What is Mark D. Zeglis's specialty?
Mark D. Zeglis is a gastroenterologist in Ypsilanti, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Mark D. Zeglis?
Mark D. Zeglis is listed at 5300 Elliott Dr, Ypsilanti, MI 48197. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark D. Zeglis?
The number on file is (734) 434-6262. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mark D. Zeglis?
Mark D. Zeglis's National Provider Identifier is 1497898233. 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 D. Zeglis's education?
Mark D. Zeglis attended University of Michigan Homeopathic Medical School, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark D. Zeglis have?
Mark D. Zeglis has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Mark D. Zeglis known for?
According to Medicare billing data, Mark D. Zeglis performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and diagnostic exam of esophagus, stomach, and/or upper small 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 D. Zeglis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark D. Zeglis. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.