Catherine Witzling, LCSW
NPI 1083137434 · Clinical Social Worker · San Francisco, CA
Catherine Witzling, LCSW is a Clinical Social Worker provider in San Francisco, CA (NPI 1083137434).
Provider details
- NPI number
- 1083137434
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
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
8 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
- 2017-07-18
- Last updated
- 2022-07-21
Frequently asked questions
- What is Catherine Witzling's NPI number?
- Catherine Witzling's National Provider Identifier (NPI) is 1083137434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Witzling's specialty?
- Catherine Witzling is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Catherine Witzling located?
- Catherine Witzling's practice location on file with NPPES is 1700 Pierce St Ste 203, San Francisco, CA 94115-6114.
- What is Catherine Witzling's phone number?
- The practice phone number listed in the NPPES registry for Catherine Witzling is (415) 931-4757.
- Is Catherine Witzling's NPI active?
- Yes — Catherine Witzling's NPI (1083137434) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.