Douglas Lloyd Brown, M.D., S.c.
NPI 1003963414 · Internal Medicine Physician · Brookfield, WI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Lloyd Brown, M.D., S.c. is a Internal Medicine Physician organization in Brookfield, WI (NPI 1003963414).
Provider details
- NPI number
- 1003963414
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Douglas Brown, President(262) 966-3854
- License
- 48007 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-05
- Last updated
- 2010-09-30
Frequently asked questions
- What is Douglas Lloyd Brown, M.D., S.c.'s NPI number?
- Douglas Lloyd Brown, M.D., S.c.'s National Provider Identifier (NPI) is 1003963414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Douglas Lloyd Brown, M.D., S.c.?
- Douglas Lloyd Brown, M.D., S.c. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Lloyd Brown, M.D., S.c. located?
- Douglas Lloyd Brown, M.D., S.c.'s practice location on file with NPPES is 17160 W North Ave Ste 202, Brookfield, WI 53005-4437.
- What is Douglas Lloyd Brown, M.D., S.c.'s phone number?
- The practice phone number listed in the NPPES registry for Douglas Lloyd Brown, M.D., S.c. is (262) 797-6770.
- Does Douglas Lloyd Brown, M.D., S.c. accept Medicare?
- Douglas Lloyd Brown, M.D., S.c. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Douglas Lloyd Brown, M.D., S.c.?
- The authorized official listed on Douglas Lloyd Brown, M.D., S.c.'s NPPES record is Douglas Brown, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Douglas Lloyd Brown, M.D., S.c.'s NPI active?
- Yes — Douglas Lloyd Brown, M.D., S.c.'s NPI (1003963414) is active in the NPPES registry as of the last update on 2010-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.