Constance Hammen, PHD
NPI 1548030349 · Clinical Psychologist · Los Angeles, CA
Constance Hammen, PHD is a Clinical Psychologist provider in Los Angeles, CA (NPI 1548030349).
Provider details
- NPI number
- 1548030349
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY4402 (CA)
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
2 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2024-01-03
- Last updated
- 2024-01-03
- Certified
- 2024-01-03
Frequently asked questions
- What is Constance Hammen's NPI number?
- Constance Hammen's National Provider Identifier (NPI) is 1548030349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Hammen's specialty?
- Constance Hammen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Constance Hammen located?
- Constance Hammen's practice location on file with NPPES is 2786 La Castana Dr, Los Angeles, CA 90046-1331.
- What is Constance Hammen's phone number?
- The practice phone number listed in the NPPES registry for Constance Hammen is (323) 874-1371.
- Is Constance Hammen's NPI active?
- Yes — Constance Hammen's NPI (1548030349) is active in the NPPES registry as of the last update on 2024-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.