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Susan Witz, R.D., L.D.
NPI 1720401391 · Registered Dietitian · Chicago, IL
Susan Witz, R.D., L.D. is a Registered Dietitian provider in Chicago, IL (NPI 1720401391).
Provider details
- NPI number
- 1720401391
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D., L.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 164.000255 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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.
Practice location
1460 N Sandburg Ter
#301a
Chicago, IL 60610-8514
Phone: (312) 944-0855
Fax: (312) 944-0855
Street-level locationGet directions
Mailing address
1460 N Sandburg Ter
Chicago, IL 60610-8514
Registry dates
- Enumerated
- 2014-02-01
- Last updated
- 2014-02-01
Frequently asked questions
- What is Susan Witz's NPI number?
- Susan Witz's National Provider Identifier (NPI) is 1720401391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Witz's specialty?
- Susan Witz is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Susan Witz located?
- Susan Witz's practice location on file with NPPES is 1460 N Sandburg Ter, Chicago, IL 60610-8514.
- What is Susan Witz's phone number?
- The practice phone number listed in the NPPES registry for Susan Witz is (312) 944-0855.
- Is Susan Witz's NPI active?
- Yes — Susan Witz's NPI (1720401391) is active in the NPPES registry as of the last update on 2014-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.