Jessica Grimmius
NPI 1023739174 · Marriage & Family Therapist · Costa Mesa, CA
Jessica Grimmius is a Marriage & Family Therapist provider in Costa Mesa, CA (NPI 1023739174).
Provider details
- NPI number
- 1023739174
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 12375 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 275 Victoria St Ste 2mCosta Mesa, CA 92627-1906Phone: (714) 543-5437
- 12966 Euclid St Ste 280Garden Grove, CA 92840-9202Phone: (714) 823-4770
Registry dates
- Enumerated
- 2022-09-07
- Last updated
- 2026-02-20
- Certified
- 2026-02-20
Frequently asked questions
- What is Jessica Grimmius's NPI number?
- Jessica Grimmius's National Provider Identifier (NPI) is 1023739174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jessica Grimmius's specialty?
- Jessica Grimmius is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Jessica Grimmius located?
- Jessica Grimmius's practice location on file with NPPES is 940 S Coast Dr Ste 260, Costa Mesa, CA 92626-7719.
- What is Jessica Grimmius's phone number?
- The practice phone number listed in the NPPES registry for Jessica Grimmius is (949) 524-4313.
- Is Jessica Grimmius's NPI active?
- Yes — Jessica Grimmius's NPI (1023739174) is active in the NPPES registry as of the last update on 2026-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.