Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

James B Nelson, MD

Individual provider Gastroenterology Physician · NPI 1245291061

James B Nelson, MD is a Gastroenterology in Milwaukee, Wisconsin. Graduated from Medical College of Wisconsin in 1983, 43 years ago. Practices with Froedtert Andthe Medical College of Wisconsin Community Physicians Inc, a 1,255-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
43
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone: (414) 805-3310
Fax: (414) 805-3885
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 7901 S 6th St, Oak Creek, WI 53154-2010 — (414) 346-8000

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 37286 (WI)

Record details

NPI number1245291061
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2006
Last updated in NPPESJanuary 31, 2023
Certification dateJanuary 31, 2023
Mailing address9200 W Wisconsin Ave, Milwaukee, WI 53226-3522

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1983 (43 years in practice)
Group practice Froedtert Andthe Medical College Of Wisconsin Community Physicians Inc — 1255 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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