Courtney Armstrong, PHD
NPI 1578384046 · Clinical Child & Adolescent Psychologist · Palo Alto, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Courtney Armstrong, PHD is a Clinical Child & Adolescent Psychologist provider in Palo Alto, CA (NPI 1578384046).
Provider details
- NPI number
- 1578384046
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- PSY35418 (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
1 yr in NPPES registry
- Profile completeness38% of score
100% 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)
- 401 Quarry RdPalo Alto, CA 94304-1419Phone: (650) 723-5511
Registry dates
- Enumerated
- 2024-10-17
- Last updated
- 2025-03-05
- Certified
- 2025-03-05
Frequently asked questions
- What is Courtney Armstrong's NPI number?
- Courtney Armstrong's National Provider Identifier (NPI) is 1578384046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Armstrong's specialty?
- Courtney Armstrong is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Courtney Armstrong located?
- Courtney Armstrong's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Courtney Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Courtney Armstrong is (650) 497-8000.
- Does Courtney Armstrong accept Medicare?
- Courtney Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Courtney Armstrong's NPI active?
- Yes — Courtney Armstrong's NPI (1578384046) is active in the NPPES registry as of the last update on 2025-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.