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

James P. Thomas, MD

Individual provider Medical Oncology Physician · NPI 1023026267

James P. Thomas, MD is a Hematology/Oncology in Milwaukee, Wisconsin. Graduated from Medical College of Wisconsin in 1991, 35 years ago. Practices with The Medical College of Wisconsin Inc, a 2,093-clinician group and accepts Medicare assignment. Licensed in Ohio and Wisconsin.

Years since qualifying
35
Trained at
Medical College of Wisconsin
Licensed in
OH, WI
In the registry since
2006
Specialties on file
2
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 Division Of Neoplastic Diseases
Milwaukee, WI 53226-3522
Phone: (414) 805-4600
Fax: (414) 805-6805
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 35184 (WI)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 35087459 (OH)

Record details

NPI number1023026267
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 3, 2006
Last updated in NPPESJune 15, 2012
Mailing address9200 W Wisconsin Ave, Division Of Neoplastic Diseases, Milwaukee, WI 53226-3522

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesHEMATOLOGY, INTERNAL MEDICINE, MEDICAL ONCOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1991 (35 years in practice)
Group practice The Medical College Of Wisconsin Inc — 2093 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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