What is Robert Chelnick's NPI number?

Robert Chelnick's National Provider Identifier (NPI) is 1013385665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robert Chelnick's specialty?

Robert Chelnick is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).

Where is Robert Chelnick located?

Robert Chelnick's practice location on file with NPPES is 1601 Sherman Ave Ste 300, Evanston, IL 60201-5012.

What is Robert Chelnick's phone number?

The practice phone number listed in the NPPES registry for Robert Chelnick is (773) 842-9820.

Is Robert Chelnick's NPI active?

Yes — Robert Chelnick's NPI (1013385665) is active in the NPPES registry as of the last update on 2015-09-11.

IndividualActive

Robert Chelnick, PHD

NPI 1013385665 · Nutritionist · Evanston, IL

Robert Chelnick, PHD is a Nutritionist provider in Evanston, IL (NPI 1013385665).

Provider details

NPI number: 1013385665
Entity type: Individual
Primary specialty: NutritionistDietary & Nutritional Service Providers
Credential: PHD
Sex: Male
Sole proprietor: No
License: 164004081 (IL)

Practice location

1601 Sherman Ave Ste 300

Evanston, IL 60201-5012

Phone: (773) 842-9820

Fax: (262) 554-7475

Street-level locationGet directions

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Mailing address

1601 Sherman Ave Ste 300

Evanston, IL 60201-5012

Specialties & taxonomies

NutritionistPrimary133N00000XLicense 164004081 (IL)
Dietary & Nutritional Service Providers

Profile Score

Established profile(74/100 index)

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

Registry tenure38% of score
11 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.

Enumerated: 2015-09-11
Last updated: 2015-09-11

Frequently asked questions

What is Robert Chelnick's NPI number?: Robert Chelnick's National Provider Identifier (NPI) is 1013385665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Robert Chelnick's specialty?: Robert Chelnick is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).
Where is Robert Chelnick located?: Robert Chelnick's practice location on file with NPPES is 1601 Sherman Ave Ste 300, Evanston, IL 60201-5012.
What is Robert Chelnick's phone number?: The practice phone number listed in the NPPES registry for Robert Chelnick is (773) 842-9820.
Is Robert Chelnick's NPI active?: Yes — Robert Chelnick's NPI (1013385665) is active in the NPPES registry as of the last update on 2015-09-11.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions