What is Joan Zietlow's NPI number?

Joan Zietlow's National Provider Identifier (NPI) is 1518328152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joan Zietlow's specialty?

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

Where is Joan Zietlow located?

Joan Zietlow's practice location on file with NPPES is 870 Foxdale Ave, Winnetka, IL 60093-1910.

What is Joan Zietlow's phone number?

The practice phone number listed in the NPPES registry for Joan Zietlow is (847) 501-4604.

Is Joan Zietlow's NPI active?

Yes — Joan Zietlow's NPI (1518328152) is active in the NPPES registry as of the last update on 2016-03-10.

IndividualActive

Joan Zietlow, RN

NPI 1518328152 · Nutritionist · Winnetka, IL

Joan Zietlow, RN is a Nutritionist provider in Winnetka, IL (NPI 1518328152).

Provider details

NPI number: 1518328152
Entity type: Individual
Primary specialty: NutritionistDietary & Nutritional Service Providers
Credential: RN
Sex: Female
Sole proprietor: Yes
License: 041-194615 (IL)

Practice location

870 Foxdale Ave

Winnetka, IL 60093-1910

Phone: (847) 501-4604

Street-level locationGet directions

More IL providers

Mailing address

870 Foxdale Ave.

Winnetka, IL 60093

Specialties & taxonomies

NutritionistPrimary133N00000XLicense 041-194615 (IL)
Dietary & Nutritional Service Providers
Nutrition Education Nutritionist133NN1002XLicense 041-194615 (IL)
Dietary & Nutritional Service Providers

Profile Score

Established profile(73/100 index)

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

Registry tenure38% of score
10 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: 2016-03-10
Last updated: 2016-03-10

Frequently asked questions

What is Joan Zietlow's NPI number?: Joan Zietlow's National Provider Identifier (NPI) is 1518328152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Joan Zietlow's specialty?: Joan Zietlow is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).
Where is Joan Zietlow located?: Joan Zietlow's practice location on file with NPPES is 870 Foxdale Ave, Winnetka, IL 60093-1910.
What is Joan Zietlow's phone number?: The practice phone number listed in the NPPES registry for Joan Zietlow is (847) 501-4604.
Is Joan Zietlow's NPI active?: Yes — Joan Zietlow's NPI (1518328152) is active in the NPPES registry as of the last update on 2016-03-10.

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