Alexandra Masterson
NPI 1558938381 · Mental Health Counselor · San Diego, CA
Alexandra Masterson is a Mental Health Counselor provider in San Diego, CA (NPI 1558938381).
Provider details
- NPI number
- 1558938381
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 1260 Morena Blvd Ste 100San Diego, CA 92110-3850Phone: (619) 275-0822
Registry dates
- Enumerated
- 2021-06-09
- Last updated
- 2025-08-15
- Certified
- 2025-08-15
Frequently asked questions
- What is Alexandra Masterson's NPI number?
- Alexandra Masterson's National Provider Identifier (NPI) is 1558938381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Masterson's specialty?
- Alexandra Masterson is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Alexandra Masterson located?
- Alexandra Masterson's practice location on file with NPPES is 6020 Santo Rd, San Diego, CA 92124-1195.
- What is Alexandra Masterson's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Masterson is (858) 737-4674.
- Is Alexandra Masterson's NPI active?
- Yes — Alexandra Masterson's NPI (1558938381) is active in the NPPES registry as of the last update on 2025-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.