Christina Diffley
NPI 1417661547 · Marriage & Family Therapist · Massapequa, NY
Christina Diffley is a Marriage & Family Therapist provider in Massapequa, NY (NPI 1417661547).
Provider details
- NPI number
- 1417661547
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
3 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
- 2023-01-12
- Last updated
- 2023-01-12
- Certified
- 2023-01-12
Frequently asked questions
- What is Christina Diffley's NPI number?
- Christina Diffley's National Provider Identifier (NPI) is 1417661547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Diffley's specialty?
- Christina Diffley is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Christina Diffley located?
- Christina Diffley's practice location on file with NPPES is 4160 Merrick Rd, Massapequa, NY 11758-6000.
- What is Christina Diffley's phone number?
- The practice phone number listed in the NPPES registry for Christina Diffley is (631) 371-3825.
- Is Christina Diffley's NPI active?
- Yes — Christina Diffley's NPI (1417661547) is active in the NPPES registry as of the last update on 2023-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.