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Marshall Trammell
NPI 1851427793 · Counselor · San Francisco, CA
Marshall Trammell is a Counselor provider in San Francisco, CA (NPI 1851427793).
Provider details
- NPI number
- 1851427793
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
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
83% 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
887 Potrero Ave
San Francisco, CA 94110-2869
Phone: (415) 206-6388
Street-level locationGet directions
Mailing address
2011 38th Ave
Oakland, CA 94601-3774
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marshall Trammell's NPI number?
- Marshall Trammell's National Provider Identifier (NPI) is 1851427793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Trammell's specialty?
- Marshall Trammell is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Marshall Trammell located?
- Marshall Trammell's practice location on file with NPPES is 887 Potrero Ave, San Francisco, CA 94110-2869.
- What is Marshall Trammell's phone number?
- The practice phone number listed in the NPPES registry for Marshall Trammell is (415) 206-6388.
- Is Marshall Trammell's NPI active?
- Yes — Marshall Trammell's NPI (1851427793) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.