Julie Armstrong, PSY.D.
NPI 1023341500 · Forensic Psychologist · Marina Del Rey, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Armstrong, PSY.D. is a Forensic Psychologist provider in Marina Del Rey, CA (NPI 1023341500).
Provider details
- NPI number
- 1023341500
- Entity type
- Individual
- Primary specialty
- Forensic PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 16001 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
16 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
- 2009-09-15
- Last updated
- 2022-06-07
- Certified
- 2022-06-07
Frequently asked questions
- What is Julie Armstrong's NPI number?
- Julie Armstrong's National Provider Identifier (NPI) is 1023341500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Armstrong's specialty?
- Julie Armstrong is listed in the NPPES registry with a primary specialty of Forensic Psychologist (Behavioral Health & Social Service Providers).
- Where is Julie Armstrong located?
- Julie Armstrong's practice location on file with NPPES is 4519 Admiralty Wy, Marina Del Rey, CA 90292.
- What is Julie Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Julie Armstrong is (310) 273-9190.
- Does Julie Armstrong accept Medicare?
- Julie Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Armstrong's NPI active?
- Yes — Julie Armstrong's NPI (1023341500) is active in the NPPES registry as of the last update on 2022-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.