Mario Javier Velez, MD
Gastroenterology Physician · Milwaukee, WI
Mario Javier Velez, MD is a gastroenterology physician with a practice address in Milwaukee, Wisconsin, and NPI 1477879765, issued on Apr 13, 2010. Check the license (Wisconsin 70082-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mario Javier Velez
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 70082-20 WI
060.0004183 VT
Self-reported in NPPES; status is on the state search - Practice location
- 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 53215
- Phone
- (414) 908-6506
- Enumerated
- Apr 13, 2010
- Record last updated
- Jan 26, 2026
- Fax
- (414) 908-6510
- Medicare enrollment
- Enrolled (PECOS I20181127000867); may accept Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2010
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 2801 W Kinnickinnic River Pkwy Ste 1080
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Baierl, PA-CMedical Physician Assistant1831530575
- Katie Balderas, PA-CPhysician Assistant1497184279
- Aaron Baltz, MDGastroenterology Physician1467499277
- William Blosky, M.D.Gastroenterology Physician1740506195
- Fabiola Boche, PA-CMedical Physician Assistant1265661847
- Tedd Cain, MDGastroenterology Physician1750358115
Verify Mario Javier Velez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 70082-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average gastroenterology physician in 2024
795 Medicare Part D claims for 416 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Gavilyte-G142 claims
- Sod Sulf-Potass Sulf-Mag Sulf105 claims
- Omeprazole101 claims
- Pantoprazole Sodium79 claims
- Peg-3350 And Electrolytes48 claims
- Linzess35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.20
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Gastroenterology Specialists SCWauwatosa, WI
- GI Associates LLCFranklin, WI
- Milwaukee GI Specialists SCWauwatosa, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mario Javier Velez among 340 gastroenterology physician records in Wisconsin
Mario Javier Velez, MD is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2010 · median 2003 among the 239 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Milwaukee → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Cristino Canga, MDMilwaukee, WI 532151588631253
- David Carron, MDMilwaukee, WI 532151023085487
- Joseph Geenen, MDMilwaukee, WI 532151639146392
- Daniel Geenen, M.D.Milwaukee, WI 532151144297508
- Nalini Guda, MDMilwaukee, WI 532151750358420
- Lyndon Hernandez, MDMilwaukee, WI 532151831166503
- Joseph Kim, M.D.Milwaukee, WI 532151962472589
- Helen Lantz, MDMilwaukee, WI 532151639146301
Common questions
What is Mario Javier Velez, MD's NPI number?
Mario Javier Velez, MD's National Provider Identifier (NPI) is 1477879765, issued on Apr 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mario Javier Velez, MD located?
The NPPES record lists a practice address at 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI, 53215. Phone: (414) 908-6506. Providers update this record themselves, so call before visiting.
How can I verify Mario Javier Velez, MD's license?
NPPES lists Wisconsin license number 70082-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mario Javier Velez, MD prescribe under Medicare Part D?
In 2024, Mario Javier Velez, MD had 795 Medicare Part D claims for 416 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.