Physician Profile
Unclaimed ProfileAbout VELEZ
Mario Javier Velez, MD is a healthcare provider in Milwaukee, WI specializing in gastroenterology. Mario trained at Icahn School of Medicine at Mount Sinai, graduating in 2010. Medicare claims data shows Mario provided 367 services to 355 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (414) 908-6506
- Email not available
Practice Locations
2801 W KINNICKINNIC RIVER PKWY STE 1080
Milwaukee, WI 53215
Procedures Most Often Billed to Medicare
367 services · 355 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
66 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
55 |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
25 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
24 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
16 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
16 |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
16 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
26 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
26 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
25 |
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.
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 Milwaukee 8
Same specialty, same city.
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2010 at Icahn School of Medicine at Mount Sinai 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 WI who bill this service to Medicare most often.
Common questions
What does Dr. Velez specialize in?
Dr. Velez is a gastroenterology in Milwaukee, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Velez located?
Dr. Velez is listed at 2801 W KINNICKINNIC RIVER PKWY STE 1080, Milwaukee, WI 53215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Velez's phone number?
The number on file is (414) 908-6506. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Velez?
Dr. Velez's National Provider Identifier is 1477879765. 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. Velez go to medical school?
Dr. Velez attended Icahn School of Medicine at Mount Sinai, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Velez have?
Dr. Velez has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Velez do most often?
According to Medicare billing data, Dr. Velez 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. Velez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Velez. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.