Carissa Witham, LCSW
NPI 1386134484 · Clinical Social Worker · Placentia, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carissa Witham, LCSW is a Clinical Social Worker provider in Placentia, CA (NPI 1386134484).
Provider details
- NPI number
- 1386134484
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 92842 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other 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
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
Registry dates
- Enumerated
- 2018-05-14
- Last updated
- 2023-08-03
- Certified
- 2023-08-03
Frequently asked questions
- What is Carissa Witham's NPI number?
- Carissa Witham's National Provider Identifier (NPI) is 1386134484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carissa Witham's specialty?
- Carissa Witham is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Carissa Witham located?
- Carissa Witham's practice location on file with NPPES is 1041 E Yorba Linda Blvd, Placentia, CA 92870-3728.
- What is Carissa Witham's phone number?
- The practice phone number listed in the NPPES registry for Carissa Witham is (800) 701-0937.
- Does Carissa Witham accept Medicare?
- Carissa Witham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carissa Witham's NPI active?
- Yes — Carissa Witham's NPI (1386134484) is active in the NPPES registry as of the last update on 2023-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.