Marissa Shiffer, LMFT
NPI 1184492423 · Marriage & Family Therapist · Thousand Oaks, CA
Marissa Shiffer, LMFT is a Marriage & Family Therapist provider in Thousand Oaks, CA (NPI 1184492423).
Provider details
- NPI number
- 1184492423
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 143676 (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
2 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
- 2023-12-15
- Last updated
- 2023-12-15
- Certified
- 2023-12-15
Frequently asked questions
- What is Marissa Shiffer's NPI number?
- Marissa Shiffer's National Provider Identifier (NPI) is 1184492423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Shiffer's specialty?
- Marissa Shiffer is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Marissa Shiffer located?
- Marissa Shiffer's practice location on file with NPPES is 2660 Townsgate Rd Ste 150, Thousand Oaks, CA 91361-5724.
- What is Marissa Shiffer's phone number?
- The practice phone number listed in the NPPES registry for Marissa Shiffer is (310) 561-9898.
- Is Marissa Shiffer's NPI active?
- Yes — Marissa Shiffer's NPI (1184492423) is active in the NPPES registry as of the last update on 2023-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.