1. Home
  2. Directory
  3. Texas
  4. Plano
  5. Radiology
  6. NPI Profile

SHANNON JAUNITA WALKER MD
NPI 1225086267
Radiology - Diagnostic Radiology in Plano, TX

Active since May 04, 2006PECOS Enrolled
3901 W 15TH ST, PLANO, TX 75075(972) 596-6800 Get Directions Write a Review

NPPES record last updated: August 22, 2013. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Shannon Jaunita Walker Md NPPES

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

SHANNON JAUNITA WALKER MD (NPI 1225086267) is an individual diagnostic radiology provider in Plano, Texas, licensed in Texas (K8558) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225086267
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameSHANNON JAUNITA WALKERCredential: MD
Location Address3901 W 15TH STPlano, TX 75075
Mailing Address1820 Preston Park Blvd, 1200Plano, TX 75093-3656 · (972) 867-7862 · Fax (972) 612-1623
Phone(972) 596-6800
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateAugust 22, 2013
✔ NPI 1225086267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in TX · K8558
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
3901 W 15TH ST, Plano, TX 75075
Open in Google Maps ↗

Other Identifiers 3

Medicare UPING51357
Medicaid113665701TX
Other89270RTX · Collin County Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Shannon Jaunita Walker Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

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

Texas Radiology Associates LLP
1.3 mi
Diagnostic Radiology
1820 PRESTON PARK BLVD STE 2400
Plano, TX 75093
  • Reassigned Medicare billing, Texas enrollment
  • 209 clinicians in this Medicare group
NPI 1427016161 (972) 867-7862

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75075 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. STEVEN ROBERT REIMAN MD
Radiology (Diagnostic Radiology)
3901 W 15TH ST
PLANO, TX 75075
Collin County (972) 596-6800
DR. GALON CORY MORGAN MD
Radiology (Diagnostic Radiology)
3901 W 15TH ST
PLANO, TX 75075
Collin County (972) 596-6800
THOMAS ALAN GERBUS MD
Emergency Medicine
3901 W 15TH ST
PLANO, TX 75075
Collin County (972) 596-6800
MR. DUSTIN LUU DO
Student in an Organized Health Care Education/Training Program
3901 W 15TH ST
PLANO, TX 75075
Collin County (972) 596-6800
R MARK HUFFMAN PLLC
Anesthesiology
3901 W 15TH ST
PLANO, TX 75075
Collin County (972) 596-6800
DR. SHELLEY CHANG PHARMD
Pharmacist
3901 W 15TH ST
PLANO, TX 75075
Collin County (972) 519-1181
LUIS MURCIA
Student in an Organized Health Care Education/Training Program
3901 W 15TH ST
PLANO, TX 75075
Collin County (972) 396-4075
BAILEY KRAIS MSN, APRN, NNP-BC
Nurse Practitioner (Neonatal)
3901 W 15TH ST
PLANO, TX 75075
Collin County (972) 596-6800

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 Shannon Walker's NPI number?

The NPI number for Shannon Walker is 1225086267. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Shannon Walker located?

Shannon Walker practices at 3901 W 15th St, Plano, TX 75075. The listed phone number is (972) 596-6800.

What is Shannon Walker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Shannon Walker enrolled in Medicare?

Yes. Shannon Walker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Shannon Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Walker reassigns Medicare benefits to Texas Radiology Associates LLP (Plano, TX). 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 Shannon Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon Walker accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Shannon Walker 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 Shannon Walker was last updated on August 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.