ALEX G WALKER M.D.
NPI 1972967297
Radiology - Diagnostic Radiology in Council Bluffs, IA
About Alex G Walker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX G WALKER M.D. (NPI 1972967297) is an individual diagnostic radiology provider in Council Bluffs, Iowa, licensed in Nebraska (36154) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Chi Health Good Samaritan, and maintains a secondary practice location in Omaha.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Alex G Walker M.d. 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.
Medicare Billing Reassignments
6Medicare enrollment records show Alex Walker reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Omaha, NE 68154
- Reassigned Medicare billing, Iowa enrollment
- 13 clinicians in this Medicare group
Lincoln, NE 68510
- Reassigned Medicare billing, Nebraska enrollment
- 525 clinicians in this Medicare group
Norfolk, NE 68701
- Reassigned Medicare billing, Nebraska enrollment
- 252 clinicians in this Medicare group
Rosebud, SD 57570
- Reassigned Medicare billing, Texas enrollment
- 386 clinicians in this Medicare group
Scottsbluff, NE 69361
- Reassigned Medicare billing, Nebraska enrollment
- 70 clinicians in this Medicare group
Monterey Park, CA 91754
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Kc Tan MD Medical Corporation
- 74 clinicians in this Medicare group
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 34
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi Health Good Samaritan
Acute Care Hospitals · Kearney, NEFaith Regional Health Services
Acute Care Hospitals · Norfolk, NEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
COUNCIL BLUFFS, IA 51503
COUNCIL BLUFFS, IA 51503
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 Alex Walker's NPI number?
The NPI number for Alex Walker is 1972967297. It was assigned to this individual provider in the NPPES registry on April 12, 2016.
Where is Alex Walker located?
Alex Walker practices at 933 E Pierce St, Council Bluffs, IA 51503. The listed phone number is (712) 396-6140.
What is Alex Walker's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Alex Walker enrolled in Medicare?
Yes. Alex Walker 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 organizations bill Medicare for Alex Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Walker reassigns Medicare benefits to 6 organizations: Diagnostic Radiology PC (Omaha, NE), Chi Health Clinic Specialty, LLC (Lincoln, NE), Faith Regional Physician Services, LLC (Norfolk, NE), Rosebud Indian Health Service (Rosebud, SD), Regional West Medical Center (Scottsbluff, NE) and 1 more organization, listed in the Medicare section above. 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 Alex Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Walker accept?
Health plans from Blue Cross and Blue Shield of Nebraska, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Alex 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.
Is Alex Walker affiliated with any hospitals?
According to CMS data, Alex Walker is affiliated with Chi Health Good Samaritan and Faith Regional Health Services.
When was this NPI record last updated?
The NPPES record for Alex Walker was last updated on March 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.