Individual Healthcare Provider
Marc Robert Walker, M.D.
Provider's NPPES record last updated: June 11, 2024
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1558522987
- Primary Specialty
- Urology
- Practice Location
- Fort Carson, Colorado
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 20, 2026, 11:33 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Urology
Allopathic & Osteopathic Physicians
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
Taxonomy code 208800000X General Practice
Allopathic & Osteopathic Physicians
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Taxonomy code 208D00000X
Provider-Reported License Information
- Urology (Colorado)
- 0048806
- Urology (Illinois)
- 036144623
- General Practice (Hawaii)
- 15535
- General Practice (Colorado)
- 0048806
Practice Locations
Practice Location
1650 Cochrane Cir # B7500
Fort Carson, Colorado 80913
Phone: (719) 526-7115
Additional Practice Location
1 Jarrett White Rd
Tripler Army Medical Center
Tripler Army Medical Center, Hawaii 96859-5001
Phone: (808) 433-2972
Record Information
- Enumeration Date
- June 18, 2008
- Provider's NPPES Record Last Updated
- June 11, 2024
- Certification Date
- June 11, 2024
- NPISignal NPPES Dataset
- August 2026
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