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DR. YUICHI YOKOYAMA M.D.
NPI 1093072282
Anesthesiology in Orange, CA

Active since April 12, 2012PECOS Enrolled
333 THE CITY BOULEVARD, WEST, SUITE 2150, ORANGE, CA 92868(714) 456-6661 Get Directions Write a Review

NPPES record last updated: October 20, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Yuichi Yokoyama M.d. NPPES

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

DR. YUICHI YOKOYAMA M.D. (NPI 1093072282) is an individual anesthesiology provider in Orange, California, licensed in California (A111395) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and maintains a secondary practice location in Fontana.

NPPES Registry Identity

NPI1093072282
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. YUICHI YOKOYAMACredential: M.D.
Location Address333 THE CITY BOULEVARD, WEST, SUITE 2150Orange, CA 92868
Mailing Address9961 Sierra AveFontana, CA 92335-6720
Phone(714) 456-6661
Sole ProprietorYes
Enumeration DateApril 12, 2012
Last NPPES UpdateOctober 20, 2021
NPPES CertifiedOctober 20, 2021
✔ NPI 1093072282 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A111395
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.
333 THE CITY BOULEVARD, WEST, Orange, CA 92868
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Secondary Practice Location 1

Location 19961 Sierra AveFontana, CA 92335-6720 · Phone (909) 302-4938

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Yuichi Yokoyama M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Southern California Permanente Medical Group
18 mi
Clinical Medical Laboratory
13000 PEYTON DR
Chino Hills, CA 91709
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1396287082 (888) 750-0036

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 Yuichi Yokoyama's NPI number?

The NPI number for Yuichi Yokoyama is 1093072282. It was assigned to this individual provider in the NPPES registry on April 12, 2012.

Where is Yuichi Yokoyama located?

Yuichi Yokoyama practices at 333 The City Boulevard, West Suite 2150, Orange, CA 92868. The listed phone number is (714) 456-6661.

What is Yuichi Yokoyama's specialty?

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

Is Yuichi Yokoyama enrolled in Medicare?

Yes. Yuichi Yokoyama is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Yuichi Yokoyama's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yuichi Yokoyama reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, CA). The 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 Yuichi Yokoyama'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 Yuichi Yokoyama was last updated on October 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.