1. Home
  2. Directory
  3. Arizona
  4. Gilbert
  5. Anesthesiology
  6. NPI Profile

MR. JAMES THOMAS LEATHEM DO
NPI 1295028330
Anesthesiology in Gilbert, AZ

Active since May 23, 2011Opted out of Medicare · through Feb 14, 2027
2730 S. VAL VISTA DR., BUILDING 8N, SUITE 143, GILBERT, AZ 85295(480) 256-9322 Get Directions Write a Review

NPPES record last updated: February 7, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Feb 7, 2025, Apr 10, 2018 (2 updates tracked since 2018).

About Mr. James Thomas Leathem Do NPPES

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

MR. JAMES THOMAS LEATHEM DO (NPI 1295028330) is an individual anesthesiology provider in Gilbert, Arizona, licensed in Arizona (006657) and active in the NPI registry since May 2011. He has opted out of Medicare through February 14, 2027 and remains eligible to order and refer and maintains a secondary practice location in Scottsdale.

NPPES Registry Identity

NPI1295028330
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMR. JAMES THOMAS LEATHEMCredential: DO
Location Address2730 S. VAL VISTA DR., BUILDING 8N, SUITE 143Gilbert, AZ 85295
Mailing Address2730 S. Val Vista Dr., Building 8n, Suite 143Gilbert, AZ 85295 · (480) 256-9322
Phone(480) 256-9322
Sole ProprietorNo
Enumeration DateMay 23, 2011
Last NPPES UpdateFebruary 7, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2025
✔ NPI 1295028330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AZ · 006657
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2730 S. VAL VISTA DR., Gilbert, AZ 85295
Open in Google Maps ↗

Secondary Practice Location 1

Location 15111 N Scottsdale Rd Ste 105Scottsdale, AZ 85250-7076 · Phone (480) 253-9710

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mr. James Thomas Leathem Do has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 14, 2023 through February 14, 2027.

Opt-Out Effective DateFebruary 14, 2023
Opt-Out In Effect ThroughFebruary 14, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 James Leathem's NPI number?

The NPI number for James Leathem is 1295028330. It was assigned to this individual provider in the NPPES registry on May 23, 2011.

Where is James Leathem located?

James Leathem practices at 2730 S. Val Vista Dr. Building 8N, Suite 143, Gilbert, AZ 85295. The listed phone number is (480) 256-9322.

What is James Leathem's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is James Leathem enrolled in Medicare?

No. James Leathem has opted out of Medicare through February 14, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for James Leathem was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.