Cornerstone Nutrition & Diabetes, PLLC
NPI 1154939452 · Registered Dietitian · Norman, OK
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cornerstone Nutrition & Diabetes, PLLC is a Registered Dietitian organization in Norman, OK (NPI 1154939452).
Provider details
- NPI number
- 1154939452
- Entity type
- Organization
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Organization subpart
- No
- Authorized official
- Sarah Barnes, President(405) 701-9909
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
5 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
- 2020-07-22
- Last updated
- 2020-07-22
- Certified
- 2020-07-22
Frequently asked questions
- What is Cornerstone Nutrition & Diabetes, PLLC's NPI number?
- Cornerstone Nutrition & Diabetes, PLLC's National Provider Identifier (NPI) is 1154939452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cornerstone Nutrition & Diabetes, PLLC?
- Cornerstone Nutrition & Diabetes, PLLC is classified in the NPPES registry as Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Cornerstone Nutrition & Diabetes, PLLC located?
- Cornerstone Nutrition & Diabetes, PLLC's practice location on file with NPPES is 2500 Boardwalk Ste 220, Norman, OK 73069-6593.
- What is Cornerstone Nutrition & Diabetes, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Cornerstone Nutrition & Diabetes, PLLC is (405) 701-9909.
- Does Cornerstone Nutrition & Diabetes, PLLC accept Medicare?
- Cornerstone Nutrition & Diabetes, PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Cornerstone Nutrition & Diabetes, PLLC?
- The authorized official listed on Cornerstone Nutrition & Diabetes, PLLC's NPPES record is Sarah Barnes, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cornerstone Nutrition & Diabetes, PLLC's NPI active?
- Yes — Cornerstone Nutrition & Diabetes, PLLC's NPI (1154939452) is active in the NPPES registry as of the last update on 2020-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.