Gretchen Witowich, MS, RD, LDN
NPI 1275776403 · Registered Dietitian · Beloit, WI
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Witowich, MS, RD, LDN is a Registered Dietitian provider in Beloit, WI (NPI 1275776403).
Provider details
- NPI number
- 1275776403
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 164.004938 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-17
- Last updated
- 2021-01-14
- Certified
- 2021-01-14
Frequently asked questions
- What is Gretchen Witowich's NPI number?
- Gretchen Witowich's National Provider Identifier (NPI) is 1275776403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Witowich's specialty?
- Gretchen Witowich is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Gretchen Witowich located?
- Gretchen Witowich's practice location on file with NPPES is Beloit Clinic, Beloit, WI 53511-1842.
- What is Gretchen Witowich's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Witowich is (608) 364-2400.
- Does Gretchen Witowich accept Medicare?
- Gretchen Witowich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Witowich's NPI active?
- Yes — Gretchen Witowich's NPI (1275776403) is active in the NPPES registry as of the last update on 2021-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.