Marsha Pierson, Lcsw
NPI 1548701485 · Clinical Social Worker · Petaluma, CA
Marsha Pierson, Lcsw is a Clinical Social Worker organization in Petaluma, CA (NPI 1548701485).
Provider details
- NPI number
- 1548701485
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Marsha Pierson, Clinical Social Worker(707) 776-6169
- License
- 70835 (CA)
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
9 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
Other names (DBA / former)
- Doing business as
- The Permanente Group
Registry dates
- Enumerated
- 2017-03-11
- Last updated
- 2017-03-11
Frequently asked questions
- What is Marsha Pierson, Lcsw's NPI number?
- Marsha Pierson, Lcsw's National Provider Identifier (NPI) is 1548701485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marsha Pierson, Lcsw?
- Marsha Pierson, Lcsw is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marsha Pierson, Lcsw located?
- Marsha Pierson, Lcsw's practice location on file with NPPES is 222 Weller St, Petaluma, CA 94952-3183.
- What is Marsha Pierson, Lcsw's phone number?
- The practice phone number listed in the NPPES registry for Marsha Pierson, Lcsw is (202) 302-0617.
- Who is the authorized official for Marsha Pierson, Lcsw?
- The authorized official listed on Marsha Pierson, Lcsw's NPPES record is Marsha Pierson, Clinical Social Worker. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marsha Pierson, Lcsw's NPI active?
- Yes — Marsha Pierson, Lcsw's NPI (1548701485) is active in the NPPES registry as of the last update on 2017-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.