Rachel Marshall, PHD
NPI 1679309892 · Psychologist · Greenwich, CT
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Marshall, PHD is a Psychologist provider in Greenwich, CT (NPI 1679309892).
Provider details
- NPI number
- 1679309892
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 4868 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
- 2024-09-12
- Last updated
- 2024-09-12
- Certified
- 2024-09-12
Frequently asked questions
- What is Rachel Marshall's NPI number?
- Rachel Marshall's National Provider Identifier (NPI) is 1679309892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Marshall's specialty?
- Rachel Marshall is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Rachel Marshall located?
- Rachel Marshall's practice location on file with NPPES is 55 Holly Hill Ln, Greenwich, CT 06830-6074.
- What is Rachel Marshall's phone number?
- The practice phone number listed in the NPPES registry for Rachel Marshall is (203) 863-2939.
- Does Rachel Marshall accept Medicare?
- Rachel Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Marshall's NPI active?
- Yes — Rachel Marshall's NPI (1679309892) is active in the NPPES registry as of the last update on 2024-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.