DR. WILLIAM N ELKINS MD
NPI 1225135890
Radiology - Diagnostic Radiology in Saint Louis, MO

Active since September 17, 2006PECOS EnrolledAccepts Medicare Assignment
78.75/100
CMS Quality Rating
510 S KINGSHIGHWAY BLVD, SAINT LOUIS, MO 63110(314) 362-7092(314) 747-4189 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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

NPI1225135890
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. WILLIAM N ELKINSCredential: MD
Location Address510 S KINGSHIGHWAY BLVDSaint Louis, MO 63110-1016
Mailing Address660 S Euclid Ave, C B 8131Saint Louis, MO 63110-1010 · (314) 362-7092 · Fax (314) 747-4189
Fax(314) 747-4189
Sole ProprietorNo
Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2001
Enumeration DateSeptember 17, 2006
Last NPPES UpdateJanuary 8, 2026
NPPES CertifiedJanuary 8, 2026
✔ NPI 1225135890 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in TX · M6598✔ Licensed in MO · 2002011766
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
510 S KINGSHIGHWAY BLVD, Saint Louis, MO 63110

Secondary Practice Location 1

Location 14815 Alameda AveEl Paso, TX 79905-2705 · Phone (915) 215-6000 · Fax (915) 545-6607

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.

PECOS PAC ID2466559448
PECOS Enrollment IDI20071002000774, I20190514000655, I20260521004373
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 Reassignments

8

Medicare 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.

Diagnostic Radiology
7435 W TALCOTT AVE
Chicago, IL 60631
  • Reassigned Medicare billing, Texas enrollment
  • 41 clinicians in this Medicare group
Anesthesiology
801 W GORDON ST
Thomaston, GA 30286
  • Reassigned Medicare billing, Texas enrollment
  • 30 clinicians in this Medicare group
Diagnostic Radiology
5425 W SPRING CREEK PKWY STE 110
Plano, TX 75024
  • Reassigned Medicare billing, Texas enrollment
  • 144 clinicians in this Medicare group
Diagnostic Radiology
1820 PRESTON PARK BLVD STE 2400
Plano, TX 75093
  • Reassigned Medicare billing, Florida, New Mexico and Texas enrollments
  • 4 clinicians in this Medicare group
General Practice
301 UNIVERSITY BLVD
Galveston, TX 77555
  • Reassigned Medicare billing, Texas enrollment
  • 2,222 clinicians in this Medicare group
Diagnostic Radiology
310 SE VERANDA FALLS WAY
Port St Lucie, FL 34984
  • Reassigned Medicare billing, Texas enrollment
  • 19 clinicians in this Medicare group
Family Medicine
9849 KENWORTHY ST
El Paso, TX 79924
  • Reassigned Medicare billing, Texas enrollment
  • 856 clinicians in this Medicare group
Diagnostic Radiology
12490 BUSINESS CENTER DR STE 200
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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
1,310 services1,212 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
833 services773 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
423 services420 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
304 services300 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
282 services276 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
216 services216 patients

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, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140080
Location355 Ridge AveEvanston, IL 60202 · Cook County
Emergency services

Texas Health Harris Methodist Hurst-Euless-Bedford

Acute Care Hospitals · Bedford, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450639
Location1600 Hospital ParkwayBedford, TX 76022 · Tarrant County
Emergency services Birthing friendly

Texas Health Presbyterian Hospital Denton

Acute Care Hospitals · Denton, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450743
Location3000 N I-35Denton, TX 76201 · Denton County
Emergency services Birthing friendly

Texas Health Presbyterian Hospital Plano

Acute Care Hospitals · Plano, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450771
Location6200 W Parker RdPlano, TX 75093 · Collin County
Emergency services Birthing friendly

Baylor Scott And White Medical Center Mckinney

Acute Care Hospitals · Mc Kinney, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670082
Location5252 West University DriveMc Kinney, TX 75071 · Collin County
Emergency services Birthing friendly

Physician 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.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
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.

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.

78.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75
Improvement Activities40

Reported Quality Measures

Appropriate Follow-up Imaging for Incidental Abdominal Lesions
Percentage of final reports for abdominal imaging studies for asymptomatic patients aged 18 years and older with one or more of the following noted incidentally with follow_up imaging recommended: - Liver lesion =< 0.5 cm - Cystic kidney lesion < 1.0 cm -…
Lower rates are better for this measure.
0%46 patients
Nuclear Medicine: Correlation with Existing Imaging Studies for All Patients Undergoing Bone Scintigraphy
Percentage of final reports for all patients, regardless of age, undergoing bone scintigraphy that include physician documentation of correlation with existing relevant imaging studies (e.g., x-ray, MRI, CT, etc.) that were performed
100%25 patients
Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%1,270 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
100%127 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Radiology (Neuroradiology)
510 S KINGSHIGHWAY BLVD
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
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.