Mischelle Williamson
NPI 1396055729 · Mental Health Counselor · San Rafael, CA
Mischelle Williamson is a Mental Health Counselor provider in San Rafael, CA (NPI 1396055729).
Provider details
- NPI number
- 1396055729
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Registry dates
- Enumerated
- 2010-10-19
- Last updated
- 2011-02-16
Frequently asked questions
- What is Mischelle Williamson's NPI number?
- Mischelle Williamson's National Provider Identifier (NPI) is 1396055729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mischelle Williamson's specialty?
- Mischelle Williamson is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mischelle Williamson located?
- Mischelle Williamson's practice location on file with NPPES is 914 Mission Ave, San Rafael, CA 94901.
- What is Mischelle Williamson's phone number?
- The practice phone number listed in the NPPES registry for Mischelle Williamson is (415) 457-6964.
- Is Mischelle Williamson's NPI active?
- Yes — Mischelle Williamson's NPI (1396055729) is active in the NPPES registry as of the last update on 2011-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.