IndividualActive
Alyssa Gannon
NPI 1871965178 · Counselor · San Rafael, CA
Alyssa Gannon is a Counselor provider in San Rafael, CA (NPI 1871965178).
Provider details
- NPI number
- 1871965178
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
1401 Los Gamos Drive
Suite 240
San Rafael, CA 94903
Phone: (415) 457-1925
Street-level locationGet directions
Mailing address
1950 Matzen Ranch Circle
Petaluma, CA 94954
Registry dates
- Enumerated
- 2015-10-26
- Last updated
- 2015-10-26
Frequently asked questions
- What is Alyssa Gannon's NPI number?
- Alyssa Gannon's National Provider Identifier (NPI) is 1871965178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Gannon's specialty?
- Alyssa Gannon is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Alyssa Gannon located?
- Alyssa Gannon's practice location on file with NPPES is 1401 Los Gamos Drive, San Rafael, CA 94903.
- What is Alyssa Gannon's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Gannon is (415) 457-1925.
- Is Alyssa Gannon's NPI active?
- Yes — Alyssa Gannon's NPI (1871965178) is active in the NPPES registry as of the last update on 2015-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.