THOMAS WOHLSTADTER DO INC
NPI 1003157942
Anesthesiology in Los Angeles, CA

Active since March 01, 2013
12400 WILSHIRE BLVD STE 100, LOS ANGELES, CA 90025(310) 650-3450 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Thomas Wohlstadter Do Inc NPPES

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

THOMAS WOHLSTADTER DO INC (NPI 1003157942) is a healthcare organization registered as an anesthesiology in Los Angeles, California and active in the NPI registry since March 2013. The organization lists Thomas Craig Wohlstadter, Owner, as its authorized official.

NPPES Registry Identity

NPI1003157942
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameTHOMAS WOHLSTADTER DO INC
Location Address12400 WILSHIRE BLVD STE 100Los Angeles, CA 90025-1067
Mailing AddressPo Box 2140Edmond, OK 73083-2140 · (310) 650-3450
Organization SubpartNo
Authorized OfficialThomas Craig WohlstadterOwner · (714) 347-1010
Enumeration DateMarch 1, 2013
Last NPPES UpdateFebruary 10, 2026
NPPES CertifiedFebruary 10, 2026
✔ NPI 1003157942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · 20A5559
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.
12400 WILSHIRE BLVD STE 100, Los Angeles, CA 90025

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas Wohlstadter Do Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Thomas Wohlstadter Do Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Anesthesiology
NPI 1386757094
12400 WILSHIRE BLVD STE 100
Los Angeles, CA 90025
(310) 275-1646
✔ PECOS✔ Accepts MedicareSame address

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

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 Thomas Wohlstadter Do Inc's NPI number?

The NPI number for Thomas Wohlstadter Do Inc is 1003157942. It was assigned to this organization in the NPPES registry on March 1, 2013.

Where is Thomas Wohlstadter Do Inc located?

Thomas Wohlstadter Do Inc is located at 12400 Wilshire Blvd Ste 100, Los Angeles, CA 90025. The listed phone number is (310) 650-3450.

What is Thomas Wohlstadter Do Inc's specialty?

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

Is Thomas Wohlstadter Do Inc enrolled in Medicare?

Yes. Thomas Wohlstadter Do Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Thomas Wohlstadter Do Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to Thomas Wohlstadter Do Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Thomas Wohlstadter Do Inc was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.