Marcia Wirth, DIETICIAN
NPI 1386703643 · Registered Dietitian · Geneseo, IL
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcia Wirth, DIETICIAN is a Registered Dietitian provider in Geneseo, IL (NPI 1386703643).
Provider details
- NPI number
- 1386703643
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- DIETICIAN
- Sex
- Female
- Sole proprietor
- No
- License
- 716443 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marcia Wirth's NPI number?
- Marcia Wirth's National Provider Identifier (NPI) is 1386703643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Wirth's specialty?
- Marcia Wirth is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Marcia Wirth located?
- Marcia Wirth's practice location on file with NPPES is 600 N College Ave, Geneseo, IL 61254-1091.
- What is Marcia Wirth's phone number?
- The practice phone number listed in the NPPES registry for Marcia Wirth is (309) 944-6431.
- Does Marcia Wirth accept Medicare?
- Marcia Wirth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcia Wirth's NPI active?
- Yes — Marcia Wirth's NPI (1386703643) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.