Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM JAMES PREDUN MD
NPI 1457856502
Hospitalist in Scottsdale, AZ

Active since March 29, 2018PECOS Enrolled
13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 17, 2026, Mar 29, 2018 (2 updates tracked since 2018).

About Dr. William James Predun Md NPPES

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

DR. WILLIAM JAMES PREDUN MD (NPI 1457856502) is an individual hospitalist provider in Scottsdale, Arizona, licensed in Arizona (63984) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Green Bay, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1457856502
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. WILLIAM JAMES PREDUNCredential: MD
Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5404
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 29, 2018
Last NPPES UpdateOctober 23, 20262 updates tracked since enumeration
NPPES CertifiedOctober 23, 2026
✔ NPI 1457856502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in AZ · 63984
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 75630-20 (WI)
13400 E SHEA BLVD, Scottsdale, AZ 85259

Secondary Practice Location 1

Location 1744 S Webster AveGreen Bay, WI 54301-3505 · Phone (917) 593-8973

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 James Predun 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 ID6103154554
PECOS Enrollment IDI20220418002372
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

4

Medicare enrollment records show William Predun reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
15059 N SCOTTSDALE ROAD, SUITE 600
Scottsdale, AZ 85254
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Apogee Medical Group Wisconsin Sc
  • 112 clinicians in this Medicare group
Internal Medicine
2525 E CAMELBACK RD, #1100
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 240 clinicians in this Medicare group
Internal Medicine
2525 E CAMELBACK RD, #1100
Phoenix, AZ 85016
  • Reassigned Medicare billing, Oregon enrollment
  • 70 clinicians in this Medicare group
Internal Medicine
200 HIGH PARK AVE
Goshen, IN 46526
  • Reassigned Medicare billing, Indiana enrollment
  • 172 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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
147 services82 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
107 services107 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
79 services42 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
79 services43 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
26 services26 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services17 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier33 claims33 services$18.29 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers38 claims39 services$102.52 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Predun's NPI number?

The NPI number for William Predun is 1457856502. It was assigned to this individual provider in the NPPES registry on March 29, 2018.

Where is William Predun located?

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

What is William Predun's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is William Predun enrolled in Medicare?

Yes. William Predun 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 Predun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Predun reassigns Medicare benefits to 4 organizations: Apogee Medical Group, Wisconsin, S.C (Scottsdale, AZ), Apogee Medical Group Inc (Phoenix, AZ), Apogee Medical Group PC (Phoenix, AZ) and Apogee Medical Group Indiana PC (Goshen, IN). 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 Predun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Predun accept?

Health plans from Blue Cross Blue Shield of Arizona, CareSource and Cigna HealthCare of Arizona, Inc list William Predun 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.

When was this NPI record last updated?

The NPPES record for William Predun was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.