Marissa Grimsley
NPI 1841962032 · Addiction (Substance Use Disorder) Counselor · San Diego, CA
Marissa Grimsley is a Addiction (Substance Use Disorder) Counselor provider in San Diego, CA (NPI 1841962032).
Provider details
- NPI number
- 1841962032
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
4 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
- 2021-10-05
- Last updated
- 2021-10-05
- Certified
- 2021-10-05
Frequently asked questions
- What is Marissa Grimsley's NPI number?
- Marissa Grimsley's National Provider Identifier (NPI) is 1841962032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Grimsley's specialty?
- Marissa Grimsley is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marissa Grimsley located?
- Marissa Grimsley's practice location on file with NPPES is 4660 Viewridge Ave # 100a, San Diego, CA 92123-1638.
- What is Marissa Grimsley's phone number?
- The practice phone number listed in the NPPES registry for Marissa Grimsley is (760) 227-1354.
- Is Marissa Grimsley's NPI active?
- Yes — Marissa Grimsley's NPI (1841962032) is active in the NPPES registry as of the last update on 2021-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.