DR. WILLIAM N ELKINS MD
NPI 1225135890
Radiology - Diagnostic Radiology in Saint Louis, MO
About Dr. William N Elkins Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM N ELKINS MD (NPI 1225135890) is an individual diagnostic radiology provider in Saint Louis, Missouri, licensed in Texas (M6598) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Francis Hospital, and maintains a secondary practice location in El Paso.
NPPES Registry Identity
Specialties & Licenses
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
Dr. William N Elkins Md 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
8Medicare enrollment records show William Elkins reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60631
- Reassigned Medicare billing, Texas enrollment
- 41 clinicians in this Medicare group
Thomaston, GA 30286
- Reassigned Medicare billing, Texas enrollment
- 30 clinicians in this Medicare group
Plano, TX 75024
- Reassigned Medicare billing, Texas enrollment
- 144 clinicians in this Medicare group
Plano, TX 75093
- Reassigned Medicare billing, Florida, New Mexico and Texas enrollments
- 4 clinicians in this Medicare group
Galveston, TX 77555
- Reassigned Medicare billing, Texas enrollment
- 2,222 clinicians in this Medicare group
Port St Lucie, FL 34984
- Reassigned Medicare billing, Texas enrollment
- 19 clinicians in this Medicare group
El Paso, TX 79924
- Reassigned Medicare billing, Texas enrollment
- 856 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, Texas enrollment
- 27 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 42
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Francis Hospital
Acute Care Hospitals · Evanston, ILTexas Health Harris Methodist Hurst-Euless-Bedford
Acute Care Hospitals · Bedford, TXTexas Health Presbyterian Hospital Denton
Acute Care Hospitals · Denton, TXTexas Health Presbyterian Hospital Plano
Acute Care Hospitals · Plano, TXBaylor Scott And White Medical Center Mckinney
Acute Care Hospitals · Mc Kinney, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
Reported Quality Measures
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 William Elkins's NPI number?
The NPI number for William Elkins is 1225135890. It was assigned to this individual provider in the NPPES registry on September 17, 2006.
Where is William Elkins located?
William Elkins practices at 510 S Kingshighway Blvd, Saint Louis, MO 63110. The listed phone number is (314) 362-7092.
What is William Elkins's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is William Elkins enrolled in Medicare?
Yes. William Elkins 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 William Elkins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Elkins reassigns Medicare benefits to 8 organizations: Illinois Diagnostic And Interventional Radiology PLLC (Chicago, IL), Upson Medical Associates LLC (Thomaston, GA), Methodist-Cdi (Plano, TX), Texas Radiology Associates LLP (Plano, TX), Utmb Faculty Group Practice (Galveston, TX) and 3 more organizations, 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 William Elkins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Elkins accept?
Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice, Molina Healthcare and Oscar Insurance Company list William Elkins 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 William Elkins affiliated with any hospitals?
According to CMS data, William Elkins is affiliated with Presence Saint Francis Hospital, Texas Health Harris Methodist Hurst-Euless-Bedford, Texas Health Presbyterian Hospital Denton, Texas Health Presbyterian Hospital Plano and Baylor Scott And White Medical Center Mckinney.
When was this NPI record last updated?
The NPPES record for William Elkins was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.