What is Allyson Massimi's NPI number?

Allyson Massimi's National Provider Identifier (NPI) is 1154213932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Allyson Massimi's specialty?

Allyson Massimi is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Allyson Massimi located?

Allyson Massimi's practice location on file with NPPES is 4743 Clark St, Hamburg, NY 14075-4023.

What is Allyson Massimi's phone number?

The practice phone number listed in the NPPES registry for Allyson Massimi is (716) 783-2676.

Is Allyson Massimi's NPI active?

Yes — Allyson Massimi's NPI (1154213932) is active in the NPPES registry as of the last update on 2025-07-16.

IndividualActive

Allyson Massimi, CDN, RDN

NPI 1154213932 · Registered Dietitian · Hamburg, NY

Allyson Massimi, CDN, RDN is a Registered Dietitian provider in Hamburg, NY (NPI 1154213932).

Provider details

NPI number: 1154213932
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: CDN, RDN
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Registered DietitianPrimary133V00000X
Dietary & Nutritional Service Providers

Profile Score

Basic profile(48/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

4743 Clark St

Hamburg, NY 14075-4023

Phone: (716) 783-2676

Street-level locationGet directions

More NY providers

Mailing address