Holly Sostock, MBA, RDN, LDN

ActiveIndividual ProviderRegistered Dietitian
NPI issued: May 20, 2026

Quick Facts

NPI Number
1962332106
TypeIndividual
StatusActive
SpecialtyRegistered Dietitian
Taxonomy133V00000X — Registered Dietitian
Phone
(224) 619-7473
StateIL

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1962332106)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (May 20, 2026)
Data source: CMS NPPES

Provider Overview

HOLLY SOSTOCK, MBA, RDN, LDN is a Registered Dietitian provider based in Norridge, IL who has been registered with CMS since 2026. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1962332106
Provider TypeIndividual Provider
GenderFemale
CredentialMBA, RDN, LDN
StatusActive
Enumeration DateMay 20, 2026

Practice Location

CityNorridge
StateIL
ZIP Code60706-3337
Phone(224) 619-7473

Specialties & Licenses

★ Primary
SpecialtyRegistered Dietitian
Taxonomy Code133V00000X
License StateIL

Mailing Address

CityNorridge
StateIL
ZIP Code60706-3337
Phone(224) 619-7473
Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1962332106 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1962332106for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1962332106 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Registered Dietitian

Specialists in Registered Dietitian provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.

Browse all Registered Dietitianproviders →
📊
72,007
Registered Dietitian Providers in the US

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People Also Ask

What is Holly Sostock's NPI number?
Holly Sostock's NPI number is 1962332106, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Holly Sostock's NPI currently active?
Yes, Holly Sostock's NPI status is Active as of the latest CMS NPPES database updates.
What does Holly Sostock specialize in?
Holly Sostock specializes in Registered Dietitian. The healthcare taxonomy code associated with this specialty is 133V00000X.
Where does Holly Sostock practice?
Holly Sostock practices in Norridge, IL 60706-3337.
When was Holly Sostock's NPI issued?
Holly Sostock's NPI was issued on May 20, 2026.
What is Holly Sostock's provider type?
Holly Sostock is registered as an Individual Provider under CMS NPI Type 1.