Diane Williams, RD, LD
NPI 1134617756 · Registered Dietitian · Columbus, OH
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Williams, RD, LD is a Registered Dietitian provider in Columbus, OH (NPI 1134617756).
Provider details
- NPI number
- 1134617756
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LD
- Sex
- Female
- Sole proprietor
- No
- License
- LD2494 (OH)
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
8 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
- 2018-04-30
- Last updated
- 2025-07-09
- Certified
- 2025-07-09
Frequently asked questions
- What is Diane Williams's NPI number?
- Diane Williams's National Provider Identifier (NPI) is 1134617756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Williams's specialty?
- Diane Williams is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Diane Williams located?
- Diane Williams's practice location on file with NPPES is 1250 Dearborn Dr, Columbus, OH 43085-4767.
- What is Diane Williams's phone number?
- The practice phone number listed in the NPPES registry for Diane Williams is (614) 840-3530.
- Does Diane Williams accept Medicare?
- Diane Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Williams's NPI active?
- Yes — Diane Williams's NPI (1134617756) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.