MICHAEL JUSTIN WILLCOX MD
NPI 1053809855
Family Medicine in Sun City, AZ

Q: What is Michael Willcox's NPI number?

The NPI number for Michael Willcox is 1053809855. It was assigned to this individual provider in the NPPES registry on April 26, 2018.

Q: What is Michael Willcox's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Willcox was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 26, 2018PECOS EnrolledAccepts Medicare Assignment

14678 N DEL WEBB BLVD, SUN CITY, AZ 85351(623) 933-8289(623) 933-2596 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 28, 2024, Jul 4, 2024, Nov 21, 2019 and 1 more (4 updates tracked since 2018).

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About Michael Justin Willcox Md NPPES

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

MICHAEL JUSTIN WILLCOX MD (NPI 1053809855) is an individual family medicine provider in Sun City, Arizona, licensed in Arizona (76652) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (2018).

NPPES Registry Identity

NPI1053809855

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameMICHAEL JUSTIN WILLCOXCredential: MD

Location Address14678 N DEL WEBB BLVDSun City, AZ 85351-2137

Mailing Address14678 N Del Webb BlvdSun City, AZ 85351-2137 · (623) 933-8289 · Fax (623) 933-2596

Phone(623) 933-8289

Fax(623) 933-2596

Sole ProprietorNo

Medical School CMSTulane University School Of MedicineGraduated 2018

Enumeration DateApril 26, 2018

Last NPPES UpdateJuly 2, 20264 updates tracked since enumeration

NPPES CertifiedJuly 2, 2026

✔ NPI 1053809855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in AZ · 76652

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedGeneral PracticeTaxonomy 208D00000X · License 76652 (AZ)

14678 N DEL WEBB BLVD, Sun City, AZ 85351

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.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

Michael Justin Willcox 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 ID8426437559

PECOS Enrollment IDI20260529000249

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 Michael Willcox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Maxwell Group

Same address

Internal Medicine

14678 N DEL WEBB BLVD
Sun City, AZ 85351

Reassigned Medicare billing, Arizona enrollment
17 clinicians in this Medicare group

NPI 1912188384 (623) 933-8289

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85351 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

$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 12

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

CHRISTOPHER HUBER FNP-C

Nurse Practitioner (Family)