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Edit this profileAt a glance
- 4545 R St, Lincoln, NE 68503
About Dr. Griffin
Based in Lincoln, NE, Mark G. Griffin, MD is listed in the NPI registry under gastroenterology. Mark graduated from University of Missouri, Kansas City, School of Medicine in 1988. Mark is also listed as specializing in specialist. Medicare claims data shows Mark provided 10,575 services to 1,287 patients. The services billed most often include injection, vedolizumab, intravenous, 1 mg, injection, infliximab, excludes biosimilar, 10 mg, and removal of polyps or growths of large bowel using an endoscope with mechanical snare. NPI 1164416251 identifies this record in the national registry.
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
- (402) 465-4545
- Email not available
Practice Locations
4545 R ST
Lincoln, NE 68503
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
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
10,575 services · 1,287 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
393 | More than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
155 | More often than most peers in Gastroenterology |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
77 | More than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
74 | More often than most peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
61 | More than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
25 | As often as other peers in Gastroenterology |
| Dilation of esophagus | Procedure | 43450 |
21 | Less often than most peers in Gastroenterology |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
42 | Too few peers to compare |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
33 | Less often than most peers in Gastroenterology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
33 | Less often than most peers in Gastroenterology |
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.
Other gastroenterologists in Lincoln 3
Same specialty, same city.
More connections — 19 related providers in 3 groups
Trained at University of Missouri, Kansas City, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at University of Missouri, Kansas City, School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 4
Providers in NE who bill this service to Medicare most often.
Common questions
What does Dr. Griffin specialize in?
Dr. Griffin is a gastroenterologist in Lincoln, NE. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Dr. Griffin located?
Dr. Griffin is listed at 4545 R St, Lincoln, NE 68503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Griffin's phone number?
The number on file is (402) 465-4545. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Griffin?
Dr. Griffin's National Provider Identifier is 1164416251. 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
Where did Dr. Griffin go to medical school?
Dr. Griffin attended University of Missouri, Kansas City, School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Griffin have?
Dr. Griffin has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Griffin do most often?
According to Medicare billing data, Dr. Griffin 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 insertion of guide wire with dilation of esophagus using a flexible endoscope; provides treatments such as measurement of hydrogen in breath to test for stomach and bowel symptoms and administration of chemotherapy into vein, each additional hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Griffin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Griffin. If this is you, claiming it is free.
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