Nancy Langdon, PHD
NPI 1902432511 · Clinical Psychologist · Northport, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Langdon, PHD is a Clinical Psychologist provider in Northport, NY (NPI 1902432511).
Provider details
- NPI number
- 1902432511
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
Behavioral Health & Social Service Providers
- Clinical Child & Adolescent Psychologist103TC2200X
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2020-03-14
- Last updated
- 2020-11-12
- Certified
- 2020-11-12
Frequently asked questions
- What is Nancy Langdon's NPI number?
- Nancy Langdon's National Provider Identifier (NPI) is 1902432511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Langdon's specialty?
- Nancy Langdon is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Nancy Langdon located?
- Nancy Langdon's practice location on file with NPPES is 410 Fort Salonga Rd, Northport, NY 11768-3046.
- What is Nancy Langdon's phone number?
- The practice phone number listed in the NPPES registry for Nancy Langdon is (631) 262-8561.
- Does Nancy Langdon accept Medicare?
- Nancy Langdon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Langdon's NPI active?
- Yes — Nancy Langdon's NPI (1902432511) is active in the NPPES registry as of the last update on 2020-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.