IndividualActive
Holly Sostock, MBA, RDN, LDN
NPI 1962332106 · Registered Dietitian · Norridge, IL
Holly Sostock, MBA, RDN, LDN is a Registered Dietitian provider in Norridge, IL (NPI 1962332106).
Provider details
- NPI number
- 1962332106
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MBA, RDN, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 164006578 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(52/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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.
Practice location
5132 N Overhill Ave
Norridge, IL 60706-3337
Phone: (224) 619-7473
Street-level locationGet directions
Mailing address
5132 N Overhill Ave
Norridge, IL 60706-3337
Registry dates
- Enumerated
- 2026-05-20
- Last updated
- 2026-05-20
- Certified
- 2026-05-20
Frequently asked questions
- What is Holly Sostock's NPI number?
- Holly Sostock's National Provider Identifier (NPI) is 1962332106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Sostock's specialty?
- Holly Sostock is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Holly Sostock located?
- Holly Sostock's practice location on file with NPPES is 5132 N Overhill Ave, Norridge, IL 60706-3337.
- What is Holly Sostock's phone number?
- The practice phone number listed in the NPPES registry for Holly Sostock is (224) 619-7473.
- Is Holly Sostock's NPI active?
- Yes — Holly Sostock's NPI (1962332106) is active in the NPPES registry as of the last update on 2026-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.