IndividualActive
Marilyn Costello, B.A.
NPI 1821163486 · Mental Health Counselor · Vista, CA
Marilyn Costello, B.A. is a Mental Health Counselor provider in Vista, CA (NPI 1821163486).
Provider details
- NPI number
- 1821163486
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- B.A.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1007 Mason Rd
Vista, CA 92084-1827
Phone: (760) 758-9353
Street-level locationGet directions
Mailing address
321 Cassidy St
Oceanside, CA 92054-5314
Registry dates
- Enumerated
- 2006-11-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marilyn Costello's NPI number?
- Marilyn Costello's National Provider Identifier (NPI) is 1821163486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Costello's specialty?
- Marilyn Costello is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marilyn Costello located?
- Marilyn Costello's practice location on file with NPPES is 1007 Mason Rd, Vista, CA 92084-1827.
- What is Marilyn Costello's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Costello is (760) 758-9353.
- Is Marilyn Costello's NPI active?
- Yes — Marilyn Costello's NPI (1821163486) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.