What is Gwen Zumwalt's NPI number?

Gwen Zumwalt's National Provider Identifier (NPI) is 1578899654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gwen Zumwalt's specialty?

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

Where is Gwen Zumwalt located?

Gwen Zumwalt's practice location on file with NPPES is 1000 Health Center Dr, Mattoon, IL 61938-9253.

What is Gwen Zumwalt's phone number?

The practice phone number listed in the NPPES registry for Gwen Zumwalt is (217) 258-2199.

Is Gwen Zumwalt's NPI active?

Yes — Gwen Zumwalt's NPI (1578899654) is active in the NPPES registry as of the last update on 2009-10-26.

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Gwen Zumwalt

NPI 1578899654 · Registered Dietitian · Mattoon, IL

Gwen Zumwalt is a Registered Dietitian provider in Mattoon, IL (NPI 1578899654).

Provider details

NPI number: 1578899654
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Sex: Female
Sole proprietor: No
License: 164005410 (IL)

Practice location

1000 Health Center Dr

Mattoon, IL 61938-9253

Phone: (217) 258-2199

Street-level locationGet directions

More IL providers

Mailing address

571 James Dr

Charleston, IL 61920-1887

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 164005410 (IL)
Dietary & Nutritional Service Providers

Profile Score

Detailed profile(85/100 index)

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

Registry tenure38% of score
17 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: 2009-10-26
Last updated: 2009-10-26

Frequently asked questions

What is Gwen Zumwalt's NPI number?: Gwen Zumwalt's National Provider Identifier (NPI) is 1578899654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Gwen Zumwalt's specialty?: Gwen Zumwalt is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
Where is Gwen Zumwalt located?: Gwen Zumwalt's practice location on file with NPPES is 1000 Health Center Dr, Mattoon, IL 61938-9253.
What is Gwen Zumwalt's phone number?: The practice phone number listed in the NPPES registry for Gwen Zumwalt is (217) 258-2199.
Is Gwen Zumwalt's NPI active?: Yes — Gwen Zumwalt's NPI (1578899654) is active in the NPPES registry as of the last update on 2009-10-26.

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