What is Mary Sullivan's NPI number?

Mary Sullivan's National Provider Identifier (NPI) is 1639020654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Sullivan's specialty?

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

Where is Mary Sullivan located?

Mary Sullivan's practice location on file with NPPES is 444 W Beech St, Long Beach, NY 11561-3126.

What is Mary Sullivan's phone number?

The practice phone number listed in the NPPES registry for Mary Sullivan is (914) 573-1344.

Is Mary Sullivan's NPI active?

Yes — Mary Sullivan's NPI (1639020654) is active in the NPPES registry as of the last update on 2026-02-05.

IndividualActive

Mary Sullivan, RD

NPI 1639020654 · Registered Dietitian · Long Beach, NY

Mary Sullivan, RD is a Registered Dietitian provider in Long Beach, NY (NPI 1639020654).

Provider details

NPI number: 1639020654
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Female
Sole proprietor: Yes
License: 963162 (NY)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 963162 (NY)
Dietary & Nutritional Service Providers

Profile Score

Established profile(53/100 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
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

444 W Beech St

Long Beach, NY 11561-3126

Phone: (914) 573-1344

Street-level locationGet directions

More NY providers

Mailing address