Courtney Costello
NPI 1639843659 · Marriage & Family Therapist · Stockton, CA
Courtney Costello is a Marriage & Family Therapist provider in Stockton, CA (NPI 1639843659).
Provider details
- NPI number
- 1639843659
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Behavior Technician106S00000X
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
- Community Health Worker172V00000X
Other 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
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)
- 2630 W Rumble RdModesto, CA 95350-0155Phone: (209) 222-2378
- 10400 Fricot City RdSan Andreas, CA 95249-9642Phone: (209) 736-4500
Registry dates
- Enumerated
- 2021-08-03
- Last updated
- 2025-01-07
- Certified
- 2025-01-07
Frequently asked questions
- What is Courtney Costello's NPI number?
- Courtney Costello's National Provider Identifier (NPI) is 1639843659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Costello's specialty?
- Courtney Costello is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Courtney Costello located?
- Courtney Costello's practice location on file with NPPES is 4545 Georgetown Suite A3, Stockton, CA 95207.
- What is Courtney Costello's phone number?
- The practice phone number listed in the NPPES registry for Courtney Costello is (209) 955-1139.
- Is Courtney Costello's NPI active?
- Yes — Courtney Costello's NPI (1639843659) is active in the NPPES registry as of the last update on 2025-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.