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

O'Rell Ronald Williams, MD

Individual provider Internal Medicine Physician · NPI 1972559755

O'Rell Ronald Williams, MD is an Internal Medicine in Milwaukee, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2001, 25 years ago. Practices with Curana Health of Wisconsin Inc, a 49-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
25
Trained at
University of Wisconsin School of Medicine
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

5000 W Chambers St Ste 2222
Milwaukee, WI 53210-1650
Phone: (414) 874-4316
Fax: (414) 874-4160
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 45383 (WI)

Record details

NPI number1972559755
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 25, 2006
Last updated in NPPESSeptember 16, 2010
Mailing address5000 W Chambers St, Suite 2222, Milwaukee, WI 53210-1650

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Curana Health Of Wisconsin Inc — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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