Leah Mark, MS, RD, CDN, CPT
NPI 1275040842 · Registered Dietitian · Huntington, NY
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leah Mark, MS, RD, CDN, CPT is a Registered Dietitian provider in Huntington, NY (NPI 1275040842).
Provider details
- NPI number
- 1275040842
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, CDN, CPT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 008091 (NY)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
- Metabolic Nutrition Registered Dietitian133VN1006X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-01-04
- Last updated
- 2023-05-09
- Certified
- 2023-05-09
Frequently asked questions
- What is Leah Mark's NPI number?
- Leah Mark's National Provider Identifier (NPI) is 1275040842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Mark's specialty?
- Leah Mark is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Leah Mark located?
- Leah Mark's practice location on file with NPPES is 44 Green St Ste 2, Huntington, NY 11743-3393.
- What is Leah Mark's phone number?
- The practice phone number listed in the NPPES registry for Leah Mark is (516) 806-0045.
- Does Leah Mark accept Medicare?
- Leah Mark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leah Mark's NPI active?
- Yes — Leah Mark's NPI (1275040842) is active in the NPPES registry as of the last update on 2023-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.