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DR. WILLIAM GEORGE CARSON III M.D.
NPI 1548525744
Radiology - Diagnostic Radiology in Scottsdale, AZ

Active since July 13, 2012PECOS EnrolledAccepts Medicare Assignment
9700 N 91ST ST STE C200, SCOTTSDALE, AZ 85258(512) 687-3197 Get Directions Write a Review

NPPES record last updated: June 29, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 29, 2019, Jan 18, 2019 (2 updates tracked since 2019).

About Dr. William George Carson Iii M.d. NPPES

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

DR. WILLIAM GEORGE CARSON III M.D. (NPI 1548525744) is an individual diagnostic radiology provider in Scottsdale, Arizona, licensed in Arizona (55604) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2012).

NPPES Registry Identity

NPI1548525744
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. WILLIAM GEORGE CARSON IIICredential: M.D.
Location Address9700 N 91ST ST STE C200Scottsdale, AZ 85258-5064
Mailing Address2825 Oak Lawn Ave Unit 192749Dallas, TX 75219-4688 · (844) 389-5711 · Fax (877) 880-2039
Phone(512) 687-3197
Sole ProprietorNo
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2012
Enumeration DateJuly 13, 2012
Last NPPES UpdateJune 29, 20222 updates tracked since enumeration
✔ NPI 1548525744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in AZ · 55604
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License 55604 (AZ)
9700 N 91ST ST STE C200, Scottsdale, AZ 85258
Open in Google Maps ↗

Other Identifiers 1

Medicaid401758AZ

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 George Carson Iii 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.

PECOS PAC ID4284904236
PECOS Enrollment IDI20170724002843
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 William Carson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
291 mi
Health Maintenance Organization
3527 W FLORIDA AVE
Hemet, CA 92545
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1225060742 (California)
  • 5,228 clinicians in this Medicare group
NPI 1013433465 (877) 608-0044

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 3

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.

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.
32 services31 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.
24 services23 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85258 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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 2

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

BIMAL BHARATKUMAR PATEL DO
Radiology (Diagnostic Radiology)
9700 N 91ST ST STE C200
SCOTTSDALE, AZ 85258
Maricopa County (480) 240-9738
LEIANA LUTZ JAGOLINO PA
Physician Assistant (Medical)
9700 N 91ST ST STE C200
SCOTTSDALE, AZ 85258
Maricopa County (480) 425-5078

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 Carson's NPI number?

The NPI number for William Carson is 1548525744. It was assigned to this individual provider in the NPPES registry on July 13, 2012.

Where is William Carson located?

William Carson practices at 9700 N 91st St Ste C200, Scottsdale, AZ 85258. The listed phone number is (512) 687-3197.

What is William Carson's specialty?

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

Is William Carson enrolled in Medicare?

Yes. William Carson 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 William Carson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Carson reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, CA). 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 William Carson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Carson was last updated on June 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.