ALEXIA TATEM MD
NPI 1114556321
Radiology - Diagnostic Radiology in Gilbert, AZ

Active since April 08, 2020PECOS EnrolledAccepts Medicare Assignment
2940 E BANNER GATEWAY DR STE 315, GILBERT, AZ 85234(480) 543-6900 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 24, 2026, Jul 7, 2025, Mar 20, 2025 and 2 more (5 updates tracked since 2020).

About Alexia Tatem Md NPPES

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

ALEXIA TATEM MD (NPI 1114556321) is an individual diagnostic radiology provider in Gilbert, Arizona, licensed in Arizona (81374) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2020).

NPPES Registry Identity

NPI1114556321
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameALEXIA TATEMCredential: MD
Location Address2940 E BANNER GATEWAY DR STE 315Gilbert, AZ 85234-2172
Mailing Address2940 E Banner Gateway Dr Ste 315Gilbert, AZ 85234-2172
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2020
Enumeration DateApril 8, 2020
Last NPPES UpdateAugust 24, 20265 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
✔ NPI 1114556321 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in AZ · 81374
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2940 E BANNER GATEWAY DR STE 315, Gilbert, AZ 85234

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

Alexia Tatem 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 ID5799108072
PECOS Enrollment IDI20250328001473
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 Alexia Tatem reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1900 N HIGLEY RD
Gilbert, AZ 85234
  • Reassigned Medicare billing, Arizona enrollment
  • 1,081 clinicians in this Medicare group
Oncology
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 470 clinicians in this Medicare group
General Acute Care Hospital
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 728 clinicians in this Medicare group
Multi-Specialty
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 553 clinicians in this Medicare group
Clinic/Center
901 FAIRFAX AVE STE C
San Francisco, CA 94124
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
Diagnostic Radiology
1001 POTRERO AVENUE BLDG 5, 1ST FL
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 336 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85234 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.

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 Alexia Tatem's NPI number?

The NPI number for Alexia Tatem is 1114556321. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Where is Alexia Tatem located?

Alexia Tatem practices at 2940 E Banner Gateway Dr Ste 315, Gilbert, AZ 85234. The listed phone number is (480) 543-6900.

What is Alexia Tatem's specialty?

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

Is Alexia Tatem enrolled in Medicare?

Yes. Alexia Tatem 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 Alexia Tatem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexia Tatem reassigns Medicare benefits to 8 organizations: Banner Hospital Based Physicians Arizona LLC (Gilbert, AZ), Banner Cancer Center Specialists LLC (Phoenix, AZ), Banner - University Hospital Based Physicians LLC (Phoenix, AZ), Banner - University Physician Specialists LLC (Phoenix, AZ), City & County Of San Francisco (San Francisco, CA) 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 Alexia Tatem'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 Alexia Tatem was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.