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Sean Clark, RD
NPI 1720730831 · Registered Dietitian · Chicago, IL
Sean Clark, RD is a Registered Dietitian provider in Chicago, IL (NPI 1720730831).
Provider details
- NPI number
- 1720730831
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
2003 W Fulton St Ste 300
Chicago, IL 60612-2345
Phone: (312) 850-3438
Street-level locationGet directions
Mailing address
3230 Wesley Ave
Berwyn, IL 60402-3462
Registry dates
- Enumerated
- 2022-01-20
- Last updated
- 2022-01-20
- Certified
- 2022-01-20
Frequently asked questions
- What is Sean Clark's NPI number?
- Sean Clark's National Provider Identifier (NPI) is 1720730831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Clark's specialty?
- Sean Clark is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Sean Clark located?
- Sean Clark's practice location on file with NPPES is 2003 W Fulton St Ste 300, Chicago, IL 60612-2345.
- What is Sean Clark's phone number?
- The practice phone number listed in the NPPES registry for Sean Clark is (312) 850-3438.
- Is Sean Clark's NPI active?
- Yes — Sean Clark's NPI (1720730831) is active in the NPPES registry as of the last update on 2022-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.