Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARGARET TARR DESHAZER MS, RD/LD
NPI 1891343752
Dietitian, Registered in Oklahoma City, OK

Active since September 03, 2019
13901 MCAULEY BLVD STE 303, OKLAHOMA CITY, OK 73134(405) 906-7133(405) 546-2645 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Margaret Tarr Deshazer Ms, Rd/ld NPPES

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

MARGARET TARR DESHAZER MS, RD/LD (NPI 1891343752) is an individual dietitian, registered in Oklahoma City, Oklahoma, licensed in Oklahoma (703) and active in the NPI registry since September 2019. She is a graduate of Other (1992).

NPPES Registry Identity

NPI1891343752
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMARGARET TARR DESHAZERCredential: MS, RD/LD
Location Address13901 MCAULEY BLVD STE 303Oklahoma City, OK 73134-8704
Mailing Address20 E Blanch AveEdmond, OK 73034-3633 · (405) 906-7133 · Fax (405) 546-2645
Fax(405) 546-2645
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateSeptember 3, 2019
Last NPPES UpdateOctober 19, 2026
NPPES CertifiedOctober 19, 2026
✔ NPI 1891343752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in OK · 703
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.
13901 MCAULEY BLVD STE 303, Oklahoma City, OK 73134

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Tarr Deshazer Ms, Rd/ld is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587098751
PECOS Enrollment IDI20191220001372

Medicare Billing Reassignment

Medicare enrollment records show Margaret Deshazer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dietitian, Registered
13901 MCAULEY BLVD STE 303
Oklahoma City, OK 73134
  • Reassigned Medicare billing, Oklahoma enrollment

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Therapy procedure for nutrition management, each 15 minutes 97802
This is a 15-minute session focused on managing your nutrition. A professional will assess your dietary habits and provide personalized advice to improve your health. It can help manage weight, control chronic diseases, and promote overall wellbeing.
175 services37 patients

Other Providers at the Same Location NPPES 5

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

Internal Medicine (Nephrology)
13901 MCAULEY BLVD STE 303
OKLAHOMA CITY, OK 73134
Internal Medicine (Nephrology)
13901 MCAULEY BLVD STE 303
OKLAHOMA CITY, OK 73134
Internal Medicine (Nephrology)
13901 MCAULEY BLVD STE 303
OKLAHOMA CITY, OK 73134
Internal Medicine (Nephrology)
13901 MCAULEY BLVD STE 303
OKLAHOMA CITY, OK 73134
Dietitian, Registered
13901 MCAULEY BLVD STE 303
OKLAHOMA CITY, OK 73134

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 Margaret Deshazer's NPI number?

The NPI number for Margaret Deshazer is 1891343752. It was assigned to this individual provider in the NPPES registry on September 3, 2019.

Where is Margaret Deshazer located?

Margaret Deshazer practices at 13901 Mcauley Blvd Ste 303, Oklahoma City, OK 73134. The listed phone number is (405) 906-7133.

What is Margaret Deshazer's specialty?

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

Is Margaret Deshazer enrolled in Medicare?

Yes. Margaret Deshazer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Margaret Deshazer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Deshazer reassigns Medicare benefits to Renal Dietitian Specialists Of Oklahoma (Oklahoma City, OK). The 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 Margaret Deshazer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Deshazer accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Margaret Deshazer 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 Margaret Deshazer was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.