Physician Profile
Unclaimed ProfileAbout HARRISON
Based in Indianapolis, IN, Matthew Warren Harrison, MD is listed in the NPI registry under gastroenterology. Matthew graduated from Loyola University of Chicago, Stritch School of Medicine in 1998.
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
Areas of Expertise
Common questions
What kind of doctor is Dr. Harrison?
Dr. Harrison is a gastroenterology in Indianapolis, IN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Harrison's address?
Dr. Harrison is listed at 7950 N SHADELAND AVE STE 350, Indianapolis, IN 46250. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Harrison?
The number on file is (317) 578-2600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Harrison?
Dr. Harrison's National Provider Identifier is 1699742015. 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. Harrison train?
Dr. Harrison attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Harrison have?
Dr. Harrison has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Harrison perform?
According to Medicare billing data, Dr. Harrison 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, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Harrison's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Harrison. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (317) 578-2600
- Email not available
Practice Locations
7950 N SHADELAND AVE STE 350
Indianapolis, IN 46250
Procedures Most Often Billed to Medicare
922 services · 899 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
200 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
123 |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
47 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
29 |
| Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare | Procedure | 43251 |
18 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
307 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
42 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
41 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
26 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 5
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 gastroenterology specialists in Indianapolis 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Loyola University of Chicago, Stritch School of Medicine 8
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 8
Providers in IN who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.