Karen Marshalleck
NPI 1689558876 · Marriage & Family Therapist · Riverside, CA
Karen Marshalleck is a Marriage & Family Therapist provider in Riverside, CA (NPI 1689558876).
Provider details
- NPI number
- 1689558876
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 393734 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-08-01
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Karen Marshalleck's NPI number?
- Karen Marshalleck's National Provider Identifier (NPI) is 1689558876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Marshalleck's specialty?
- Karen Marshalleck is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Karen Marshalleck located?
- Karen Marshalleck's practice location on file with NPPES is Po Box 20722, Riverside, CA 92516-0722.
- What is Karen Marshalleck's phone number?
- The practice phone number listed in the NPPES registry for Karen Marshalleck is (951) 662-9847.
- Is Karen Marshalleck's NPI active?
- Yes — Karen Marshalleck's NPI (1689558876) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.