1. Home
  2. Directory
  3. Oklahoma
  4. City
  5. Dietitian Registered
  6. NPI Profile

MADDISON JOSIE WILLIAMS MS, RD/LD
NPI 1750269106
Dietitian, Registered - Nutrition, Pediatric in Oklahoma City, OK

Active since August 25, 2025
1200 CHILDRENS AVE, OKLAHOMA CITY, OK 73104(405) 271-8001 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Maddison Josie Williams Ms, Rd/ld NPPES

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

MADDISON JOSIE WILLIAMS MS, RD/LD (NPI 1750269106) is an individual nutrition, pediatric provider in Oklahoma City, Oklahoma, licensed in Oklahoma (3191) and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1750269106
Entity TypeIndividualFemale
Primary Taxonomy133VN1004X
Provider Legal NameMADDISON JOSIE WILLIAMSCredential: MS, RD/LD
Location Address1200 CHILDRENS AVEOklahoma City, OK 73104-4637
Mailing Address913 W Main St Apt 417Oklahoma City, OK 73106-7915 · (918) 310-7457
Phone(405) 271-8001
Sole ProprietorNo
Enumeration DateAugust 25, 2025
NPPES CertifiedAugust 25, 2025
✔ NPI 1750269106 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDietitian, Registered · Nutrition, PediatricDietary & Nutritional Service Providers
Taxonomy Code133VN1004X
License✔ Licensed in OK · 3191
Definition
An individual who is a Board Certified Specialist in Pediatric Nutrition and applies evidence-based nutrition knowledge in providing medical nutrition therapy for pediatric patients. Specialists work directly with healthy and/or ill children (newborn up to 21 years of age) as well as children with special health care needs in a variety of settings (hospitals, community-based and/or family-centered programs, education programs, home, etc.), OR indirectly through management, care coordination, education, quality improvement, or research practice linked specifically to pediatric nutrition.
Also ListedDietitian, Registered · Nutrition, OncologyTaxonomy 133VN1301X
1200 CHILDRENS AVE, Oklahoma City, OK 73104
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maddison Josie Williams Ms, Rd/ld is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

Medicare enrollment records show Maddison Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ou Health Partners, Inc
Same address
Multi-Specialty
1200 CHILDRENS AVE STE 11200
Oklahoma City, OK 73104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 1,795 clinicians in this Medicare group
NPI 1528642642 (405) 271-3932
Sodexo Operations LLC
1,279 mi
Dietitian, Registered
950 W TRENTON AVE UNIT 240
Morrisville, PA 19067
  • Reassigned Medicare billing, Oklahoma enrollment
  • 4 clinicians in this Medicare group
NPI 1528034436 (267) 317-6845

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

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRUTI SHAH
Student in an Organized Health Care Education/Training Program
1200 CHILDRENS AVE, SUITE 4D
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 271-8001
MRS. RACHEL LEIGH CROSS APRN, CPNP-PC
Nurse Practitioner (Pediatrics)
1200 CHILDRENS AVE, SUITE 10000
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 271-4412
KAYLEE MARTIN
Pediatrics
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 271-5437
KRISTEN PUENTE RD, LD
Dietitian, Registered
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 271-4700
ROA MUQBEL
Pediatrics
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 271-4417
DR. CLAIRE ELIZABETH KUNKEL SMITH DO
Pediatrics
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 271-4417
JAY OGLE DO
Pediatrics
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 271-4417
BLAYNE BORDWINE
Pediatrics (Hospice and Palliative Medicine)
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 271-4700

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 Maddison Williams's NPI number?

The NPI number for Maddison Williams is 1750269106. It was assigned to this individual provider in the NPPES registry on August 25, 2025.

Where is Maddison Williams located?

Maddison Williams practices at 1200 Childrens Ave, Oklahoma City, OK 73104. The listed phone number is (405) 271-8001.

What is Maddison Williams's specialty?

The primary specialty registered for this NPI is Dietitian, Registered, specializing in Nutrition, Pediatric, with taxonomy code 133VN1004X.

Is Maddison Williams enrolled in Medicare?

Yes. Maddison Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maddison Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maddison Williams reassigns Medicare benefits to 2 organizations: Ou Health Partners, Inc (Oklahoma City, OK) and Sodexo Operations LLC (Morrisville, PA). Each 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 Maddison Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maddison Williams accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Maddison Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Maddison Williams was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.