OrganizationActive
Brian E Demuth MD a Professional
NPI 1669660205 · Specialist · Greenbrae, CA
Brian E Demuth MD a Professional is a Specialist organization in Greenbrae, CA (NPI 1669660205).
Provider details
- NPI number
- 1669660205
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Brian Demuth, Physician(415) 464-0184
- License
- G602230 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1000 S Eliseo Dr Ste 101
Greenbrae, CA 94904-2150
Phone: (415) 464-0184
Fax: (415) 464-0295
Street-level locationGet directions
Mailing address
1000 S Eliseo Dr Ste 101
Greenbrae, CA 94904-2150
Registry dates
- Enumerated
- 2007-10-09
- Last updated
- 2008-01-29
Frequently asked questions
- What is Brian E Demuth MD a Professional's NPI number?
- Brian E Demuth MD a Professional's National Provider Identifier (NPI) is 1669660205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Brian E Demuth MD a Professional?
- Brian E Demuth MD a Professional is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Brian E Demuth MD a Professional located?
- Brian E Demuth MD a Professional's practice location on file with NPPES is 1000 S Eliseo Dr Ste 101, Greenbrae, CA 94904-2150.
- What is Brian E Demuth MD a Professional's phone number?
- The practice phone number listed in the NPPES registry for Brian E Demuth MD a Professional is (415) 464-0184.
- Who is the authorized official for Brian E Demuth MD a Professional?
- The authorized official listed on Brian E Demuth MD a Professional's NPPES record is Brian Demuth, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Brian E Demuth MD a Professional's NPI active?
- Yes — Brian E Demuth MD a Professional's NPI (1669660205) is active in the NPPES registry as of the last update on 2008-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.