What is Gregory Belzak's NPI number?

Gregory Belzak's National Provider Identifier (NPI) is 1386252716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Belzak's specialty?

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

Where is Gregory Belzak located?

Gregory Belzak's practice location on file with NPPES is 7393 Taft Park Dr, East Syracuse, NY 13057-9639.

What is Gregory Belzak's phone number?

The practice phone number listed in the NPPES registry for Gregory Belzak is (315) 288-6033.

Is Gregory Belzak's NPI active?

Yes — Gregory Belzak's NPI (1386252716) is active in the NPPES registry as of the last update on 2026-03-12.

IndividualActive

Gregory Belzak, RD, RDN

NPI 1386252716 · Registered Dietitian · East Syracuse, NY

Gregory Belzak, RD, RDN is a Registered Dietitian provider in East Syracuse, NY (NPI 1386252716).

Provider details

NPI number: 1386252716
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD, RDN
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Registered DietitianPrimary133V00000X
Dietary & Nutritional Service Providers

Profile Score

Established profile(57/100 index)

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

Registry tenure38% of score
5 yrs in NPPES 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

7393 Taft Park Dr

East Syracuse, NY 13057-9639

Phone: (315) 288-6033

Fax: (315) 310-6235

Street-level locationGet directions

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Mailing address