WILLIAM A FAUBION M.D.
NPI 1447224605
Internal Medicine - Gastroenterology in Scottsdale, AZ

Active since February 15, 2006PECOS EnrolledAccepts Medicare Assignment
13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: September 26, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 26, 2022, Aug 13, 2020, May 2, 2018 (3 updates tracked since 2018).

About William A Faubion M.d. NPPES

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

WILLIAM A FAUBION M.D. (NPI 1447224605) is an individual gastroenterology provider in Scottsdale, Arizona, licensed in Arizona (47234) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rochester, and is a graduate of University Of Texas Medical School At Houston (1992).

NPPES Registry Identity

NPI1447224605
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameWILLIAM A FAUBIONCredential: M.D.
Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5499
Mailing Address13400 E Shea BlvdScottsdale, AZ 85259-5499 · (480) 301-8000
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1992
Enumeration DateFebruary 15, 2006
Last NPPES UpdateSeptember 26, 20223 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2022
✔ NPI 1447224605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in AZ · 47234✔ Licensed in MN · 39036
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
13400 E SHEA BLVD, Scottsdale, AZ 85259

Secondary Practice Location 1

Location 1200 1st St SWRochester, MN 55905-0001 · Phone (507) 284-2511

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

William A Faubion 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 ID5294879912
PECOS Enrollment IDI20150326000044
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

2

Medicare enrollment records show William Faubion reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
13400 E SHEA BLVD
Scottsdale, AZ 85259
  • Reassigned Medicare billing, Arizona enrollment
  • 1,792 clinicians in this Medicare group
1,262 mi
Infectious Disease
200 1ST ST SW
Rochester, MN 55905
  • Reassigned Medicare billing, Minnesota enrollment
  • 6,534 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 4

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.

Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
22 services22 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
14 services14 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
13 services13 patients
Biopsy of lower large bowel using a flexible endoscope 45331
A biopsy of the lower large bowel involves using a flexible tube with a camera (endoscope) to examine this part of your digestive tract. Small tissue samples may be taken for further examination to detect any abnormalities.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85259 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
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.

Internal Medicine (Hematology & Oncology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Internal Medicine (Critical Care Medicine)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Internal Medicine (Pulmonary Disease)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Urology
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259

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 Faubion's NPI number?

The NPI number for William Faubion is 1447224605. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is William Faubion located?

William Faubion practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.

What is William Faubion's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Faubion enrolled in Medicare?

Yes. William Faubion 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 Faubion's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Faubion reassigns Medicare benefits to 2 organizations: Mayo Clinic Arizona (Scottsdale, AZ) and Mayo Clinic (Rochester, MN). 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 Faubion'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 Faubion was last updated on September 26, 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.