YUMI CHRISTINE ISHIHARA MD
NPI 1114151875
Emergency Medicine in Panorama City, CA

Active since May 11, 2009PECOS Enrolled
13651 WILLARD ST, PANORAMA CITY, CA 91402(818) 375-2000 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 22, 2021, Mar 17, 2018, Aug 2, 2017 (3 updates tracked since 2017).

About Yumi Christine Ishihara Md NPPES

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

YUMI CHRISTINE ISHIHARA MD (NPI 1114151875) is an individual emergency medicine provider in Panorama City, California, licensed in California (A115576) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS and maintains a secondary practice location in Clackamas.

NPPES Registry Identity

NPI1114151875
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameYUMI CHRISTINE ISHIHARACredential: MD
Location Address13651 WILLARD STPanorama City, CA 91402
Mailing Address13651 Willard StPanorama City, CA 91402 · (626) 390-8070
Sole ProprietorNo
Enumeration DateMay 11, 2009
Last NPPES UpdateDecember 22, 20213 updates tracked since enumeration
NPPES CertifiedDecember 22, 2021
✔ NPI 1114151875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A115576✔ Licensed in OR · MD170863
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
13651 WILLARD ST, Panorama City, CA 91402

Secondary Practice Location 1

Location 110180 SE Sunnyside RdClackamas, OR 97015-8970 · Phone (626) 390-8070

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yumi Christine Ishihara Md 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 Yumi Ishihara reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
13652 CANTARA ST
Panorama City, CA 91402
  • Reassigned Medicare billing, California enrollment
  • 13,921 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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
23 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91402 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 20

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

Nurse Anesthetist, Certified Registered
13651 WILLARD ST
PANORAMA CITY, CA 91402
Audiologist-Hearing Aid Fitter
13651 WILLARD ST
PANORAMA CITY, CA 91402
Nurse Anesthetist, Certified Registered
13651 WILLARD ST
PANORAMA CITY, CA 91402
Registered Nurse
13651 WILLARD ST
LOS ANGELES, CA 91402
Emergency Medicine
13651 WILLARD ST, EMERGENCY MEDICINE DEPARTMENT
PANORAMA CITY, CA 91402
Nurse Practitioner (Family)
13651 WILLARD ST
PANORAMA CITY, CA 91402
Nurse Practitioner (Family)
13651 WILLARD ST
LOS ANGELES, CA 91402
Registered Nurse (Critical Care Medicine)
13651 WILLARD ST
PANORAMA CITY, CA 91402

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 Yumi Ishihara's NPI number?

The NPI number for Yumi Ishihara is 1114151875. It was assigned to this individual provider in the NPPES registry on May 11, 2009.

Where is Yumi Ishihara located?

Yumi Ishihara practices at 13651 Willard St, Panorama City, CA 91402. The listed phone number is (818) 375-2000.

What is Yumi Ishihara's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Yumi Ishihara enrolled in Medicare?

Yes. Yumi Ishihara is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Yumi Ishihara's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yumi Ishihara reassigns Medicare benefits to Southern California Permanente Medical Group (Panorama City, 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 Yumi Ishihara'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 Yumi Ishihara was last updated on December 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.