Mary Chojnowski, RDN, CDN, MBA
NPI 1649912817 · Registered Dietitian · Orchard Park, NY
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Chojnowski, RDN, CDN, MBA is a Registered Dietitian provider in Orchard Park, NY (NPI 1649912817).
Provider details
- NPI number
- 1649912817
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN, CDN, MBA
- Sex
- Female
- Sole proprietor
- No
- License
- 009261-01 (NY)
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
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
- 2022-04-08
- Last updated
- 2026-02-28
- Certified
- 2026-02-28
Frequently asked questions
- What is Mary Chojnowski's NPI number?
- Mary Chojnowski's National Provider Identifier (NPI) is 1649912817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Chojnowski's specialty?
- Mary Chojnowski is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary Chojnowski located?
- Mary Chojnowski's practice location on file with NPPES is 200 Sterling Dr Ste 100, Orchard Park, NY 14127-1577.
- What is Mary Chojnowski's phone number?
- The practice phone number listed in the NPPES registry for Mary Chojnowski is (716) 704-0684.
- Does Mary Chojnowski accept Medicare?
- Mary Chojnowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Chojnowski's NPI active?
- Yes — Mary Chojnowski's NPI (1649912817) is active in the NPPES registry as of the last update on 2026-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.