Christina Constantinou, RD/ RDN, CDN
NPI 1619616083 · Registered Dietitian · Richmond Hill, NY
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Constantinou, RD/ RDN, CDN is a Registered Dietitian provider in Richmond Hill, NY (NPI 1619616083).
Provider details
- NPI number
- 1619616083
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD/ RDN, CDN
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-06-02
- Last updated
- 2022-06-02
- Certified
- 2022-06-02
Frequently asked questions
- What is Christina Constantinou's NPI number?
- Christina Constantinou's National Provider Identifier (NPI) is 1619616083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Constantinou's specialty?
- Christina Constantinou is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Christina Constantinou located?
- Christina Constantinou's practice location on file with NPPES is 8900 Van Wyck Expy, Richmond Hill, NY 11418-2897.
- What is Christina Constantinou's phone number?
- The practice phone number listed in the NPPES registry for Christina Constantinou is (718) 206-6000.
- Does Christina Constantinou accept Medicare?
- Christina Constantinou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Constantinou's NPI active?
- Yes — Christina Constantinou's NPI (1619616083) is active in the NPPES registry as of the last update on 2022-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.