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

Dr. Douglas Lloyd Brown, MD

Individual provider Internal Medicine Physician · NPI 1700945599

Dr. Douglas Lloyd Brown, MD is an Internal Medicine in Brookfield, Wisconsin. Graduated from Medical College of Wisconsin in 2003, 23 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
23
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

17160 W North Ave Ste 202
Brookfield, WI 53005-4437
Phone: (262) 797-6770
Fax: (262) 797-6772
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 48007 (WI)

Record details

NPI number1700945599
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 7, 2006
Last updated in NPPESSeptember 30, 2010
Mailing address17160 W North Ave Ste 202, Brookfield, WI 53005-4437

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2003 (23 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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