DR. YUMI MENDEZ-ISHIZAKI MD
NPI 1942723994
Obstetrics & Gynecology in Long Beach, CA

Q: What is Yumi Mendez-ishizaki's NPI number?

The NPI number for Yumi Mendez-ishizaki is 1942723994. It was assigned to this individual provider in the NPPES registry on July 21, 2017.

Q: What is Yumi Mendez-ishizaki's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since July 21, 2017PECOS EnrolledAccepts Medicare Assignment

3828 SCHAUFELE AVE STE 200, LONG BEACH, CA 90808(657) 241-8990(714) 665-4600 Get Directions Write a Review

NPPES record last updated: June 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2020, Jul 21, 2017 (2 updates tracked since 2017).

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About Dr. Yumi Mendez-ishizaki Md NPPES

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

DR. YUMI MENDEZ-ISHIZAKI MD (NPI 1942723994) is an individual obstetrics & gynecology provider in Long Beach, California, licensed in California (A151818) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1942723994

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. YUMI MENDEZ-ISHIZAKICredential: MD

Location Address3828 SCHAUFELE AVE STE 200Long Beach, CA 90808-1793

Mailing Address3828 Schaufele Ave Ste 200Long Beach, CA 90808-1793 · (657) 241-8990

Phone(657) 241-8990

Fax(714) 665-4600

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateJuly 21, 2017

Last NPPES UpdateJune 29, 20222 updates tracked since enumeration

NPPES CertifiedJuly 21, 2020

✔ NPI 1942723994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A151818

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

3828 SCHAUFELE AVE STE 200, Long Beach, CA 90808

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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

Dr. Yumi Mendez-ishizaki 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 ID8325462849

PECOS Enrollment IDI20200716003061

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 Mendez-ishizaki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

5.2 mi

Health Maintenance Organization

9400 ROSECRANS AVE
Bellflower, CA 90706

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1043242555 (562) 461-3000

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 90808 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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.

Other Providers at the Same Location NPPES 15

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

JUDY H. KIM NP

Nurse Practitioner (Women's Health)