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DOUGLAS LLOYD BROWN, M.D., S.C.
NPI 1003963414
Internal Medicine in Brookfield, WI

Active since January 05, 2007
17160 W NORTH AVE STE 202, BROOKFIELD, WI 53005(262) 797-6770(262) 797-6772 Get Directions Write a Review

NPPES record last updated: September 30, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Douglas Lloyd Brown, M.d., S.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DOUGLAS LLOYD BROWN, M.D., S.C. (NPI 1003963414) is a healthcare organization registered as an internal medicine in Brookfield, Wisconsin and active in the NPI registry since January 2007. The organization lists Douglas Lloyd Brown, President, as its authorized official.

NPPES Registry Identity

NPI1003963414
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDOUGLAS LLOYD BROWN, M.D., S.C.
Location Address17160 W NORTH AVE STE 202Brookfield, WI 53005-4437
Mailing Address17160 W North Ave Ste 202Brookfield, WI 53005-4437 · (262) 797-6770 · Fax (262) 797-6772
Phone(262) 797-6770
Fax(262) 797-6772
Organization SubpartNo
Authorized OfficialDouglas Lloyd BrownPresident · (262) 966-3854
Enumeration DateJanuary 5, 2007
Last NPPES UpdateSeptember 30, 2010
✔ NPI 1003963414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WI · 48007
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
17160 W NORTH AVE STE 202, Brookfield, WI 53005
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Douglas Lloyd Brown, M.d., S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Douglas Lloyd Brown, M.D., S.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Douglas Brown, M.D.
Internal Medicine
NPI 1700945599
17160 W NORTH AVE STE 202
Brookfield, WI 53005
(262) 797-6770
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Douglas Lloyd Brown, M.D., S.C.'s NPI number?

The NPI number for Douglas Lloyd Brown, M.D., S.C. is 1003963414. It was assigned to this organization in the NPPES registry on January 5, 2007.

Where is Douglas Lloyd Brown, M.D., S.C. located?

Douglas Lloyd Brown, M.D., S.C. is located at 17160 W North Ave Ste 202, Brookfield, WI 53005. The listed phone number is (262) 797-6770.

What is Douglas Lloyd Brown, M.D., S.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Douglas Lloyd Brown, M.D., S.C. enrolled in Medicare?

Yes. Douglas Lloyd Brown, M.D., S.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Douglas Lloyd Brown, M.D., S.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Douglas Lloyd Brown, M.D., S.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Douglas Lloyd Brown, M.D., S.C. was last updated on September 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.