Christopher Libby, PHD
NPI 1336301217 · Psychologist · Hartsdale, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Libby, PHD is a Psychologist provider in Hartsdale, NY (NPI 1336301217).
Provider details
- NPI number
- 1336301217
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 017798-1 (NY)
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
17 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
- 2008-07-01
- Last updated
- 2023-03-27
- Certified
- 2023-03-27
Frequently asked questions
- What is Christopher Libby's NPI number?
- Christopher Libby's National Provider Identifier (NPI) is 1336301217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Libby's specialty?
- Christopher Libby is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Christopher Libby located?
- Christopher Libby's practice location on file with NPPES is 141 N Central Ave, Hartsdale, NY 10530-1912.
- What is Christopher Libby's phone number?
- The practice phone number listed in the NPPES registry for Christopher Libby is (914) 949-7699.
- Does Christopher Libby accept Medicare?
- Christopher Libby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Libby's NPI active?
- Yes — Christopher Libby's NPI (1336301217) is active in the NPPES registry as of the last update on 2023-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.