CORNERSTONE NUTRITION & DIABETES, PLLC
NPI 1154939452
Dietitian, Registered in Norman, OK

Q: What is Cornerstone Nutrition & Diabetes, PLLC's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Active since July 22, 2020

2500 BOARDWALK STE 220, NORMAN, OK 73069(405) 701-9909 Get Directions Write a Review

NPPES record last updated: July 22, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Cornerstone Nutrition & Diabetes, Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORNERSTONE NUTRITION & DIABETES, PLLC (NPI 1154939452) is a healthcare organization registered as a dietitian, registered in Norman, Oklahoma and active in the NPI registry since July 2020. The organization lists Sarah Barnes, President, as its authorized official.

NPPES Registry Identity

NPI1154939452

Entity TypeOrganization

Primary Taxonomy133V00000X

Legal Business NameCORNERSTONE NUTRITION & DIABETES, PLLC

Location Address2500 BOARDWALK STE 220Norman, OK 73069-6593

Mailing Address2500 Boardwalk Ste 220Norman, OK 73069-6593 · (405) 701-9909

Phone(405) 701-9909

Organization SubpartNo

Authorized OfficialSarah BarnesPresident · (405) 701-9909

Enumeration DateJuly 22, 2020

NPPES CertifiedJuly 22, 2020

✔ NPI 1154939452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

Definition

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

2500 BOARDWALK STE 220, Norman, OK 73069

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cornerstone Nutrition & Diabetes, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Cornerstone Nutrition & Diabetes, PLLC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Kate Hayes, RDN/LD

Registered Dietitian or Nutrition Professional

NPI 1174194286

2673 BRENTWOOD DR
Norman, OK 73069

(405) 464-8884

✔ Accepts Medicare0.8 mi

Sarah Barnes, MS, RD/LD

Registered Dietitian or Nutrition Professional

NPI 1245530971

3400 W TECUMSEH RD STE 206
Norman, OK 73072

(405) 307-5731

✔ Accepts Medicare2.5 mi

Christine Bruehl, RD LD

Registered Dietitian or Nutrition Professional

NPI 1437269537

3400 W TECUMSEH RD SUITE 206
Norman, OK 73072

(405) 307-5731

✔ Accepts Medicare2.5 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cornerstone Nutrition & Diabetes, PLLC's NPI number?

The NPI number for Cornerstone Nutrition & Diabetes, PLLC is 1154939452. It was assigned to this organization in the NPPES registry on July 22, 2020.

Where is Cornerstone Nutrition & Diabetes, PLLC located?

Cornerstone Nutrition & Diabetes, PLLC is located at 2500 Boardwalk Ste 220, Norman, OK 73069. The listed phone number is (405) 701-9909.

What is Cornerstone Nutrition & Diabetes, PLLC's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Cornerstone Nutrition & Diabetes, PLLC enrolled in Medicare?

Yes. Cornerstone Nutrition & Diabetes, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cornerstone Nutrition & Diabetes, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Registered Dietitian or Nutrition Professional, reassign their Medicare billing to Cornerstone Nutrition & Diabetes, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Cornerstone Nutrition & Diabetes, PLLC was last updated on July 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.