Mary Hayes, RD, LDN
NPI 1851116271 · Registered Dietitian · Pittsfield, MA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Hayes, RD, LDN is a Registered Dietitian provider in Pittsfield, MA (NPI 1851116271).
Provider details
- NPI number
- 1851116271
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- LDN7877 (MA)
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
1 yr 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
- 2024-11-20
- Last updated
- 2024-11-20
- Certified
- 2024-11-20
Frequently asked questions
- What is Mary Hayes's NPI number?
- Mary Hayes's National Provider Identifier (NPI) is 1851116271, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hayes's specialty?
- Mary Hayes is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary Hayes located?
- Mary Hayes's practice location on file with NPPES is 510 North St Ste 6, Pittsfield, MA 01201-5493.
- What is Mary Hayes's phone number?
- The practice phone number listed in the NPPES registry for Mary Hayes is (413) 445-9243.
- Does Mary Hayes accept Medicare?
- Mary Hayes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Hayes's NPI active?
- Yes — Mary Hayes's NPI (1851116271) is active in the NPPES registry as of the last update on 2024-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.