BENJAMIN KIM-WAKAMATSU MD
NPI 1457409476
Emergency Medicine in Newport Beach, CA

Q: What is Benjamin Kim-wakamatsu's NPI number?

The NPI number for Benjamin Kim-wakamatsu is 1457409476. It was assigned to this individual provider in the NPPES registry on January 8, 2007. The provider is also known as Benjamin Kim Wakamatsu MD.

Q: What is Benjamin Kim-wakamatsu's specialty?

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

Active since January 08, 2007PECOS Enrolled

1 HOAG DRIVE, NEWPORT BEACH, CA 92658(949) 764-5689 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Benjamin Kim-wakamatsu Md NPPES

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

BENJAMIN KIM-WAKAMATSU MD (NPI 1457409476) is an individual emergency medicine provider in Newport Beach, California, licensed in California (A89026) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457409476

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameBENJAMIN KIM-WAKAMATSUCredential: MD

Location Address1 HOAG DRIVENewport Beach, CA 92658-6100

Mailing Address1 Hoag Drive, Pob 6100-edNewport Beach, CA 92658-6100 · (949) 764-5689

Phone(949) 764-5689

Sole ProprietorNo

Enumeration DateJanuary 8, 2007

Last NPPES UpdateDecember 14, 2021

NPPES CertifiedDecember 14, 2021

✔ NPI 1457409476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A89026

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.

1 HOAG DRIVE, Newport Beach, CA 92658

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Other Names 1

Former Name (1)Benjamin Kim Wakamatsu Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Benjamin Kim-wakamatsu 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 Benjamin Kim-wakamatsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

17 mi

Health Maintenance Organization

441 N LAKEVIEW AVE
Anaheim, CA 92807

Reassigned Medicare billing, California enrollment
Also billed through NPI 1396287082 (California)
13,921 clinicians in this Medicare group

NPI 1952333460 (714) 279-4000

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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92658 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 5

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

DR. HOWARD D EPSTEIN M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1 HOAG DRIVE
NEWPORT BEACH, CA 92658

Orange County (949) 764-5635

MRS. JANICE MARIE ROBINSON PT

Physical Therapist

1 HOAG DRIVE, HOAG MEMORIAL HOSPITAL
NEWPORT BEACH, CA 92658

Orange County (949) 764-5645

DR. ABHINANDAN ANIL BHARNE M.D.

Internal Medicine (Pulmonary Disease)

1 HOAG DRIVE, DEPT OF CRITICAL CARE
NEWPORT BEACH, CA 92658

Orange County (949) 764-6876

DR. DENISE KAY VAN HORN M. D.

Pathology (Anatomic Pathology & Clinical Pathology)

1 HOAG DRIVE, DEPARTMENT OF PATHOLOGY
NEWPORT BEACH, CA 92658

Orange County (949) 764-5610

MARGARET ANN MORLEY NP

Nurse Practitioner (Adult Health)

1 HOAG DRIVE, HOAG HOSPITAL DEPARTMENT OF CARDIOLOGY
NEWPORT BEACH, CA 92658

Orange County (949) 764-6553

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 Benjamin Kim-wakamatsu's NPI number?

The NPI number for Benjamin Kim-wakamatsu is 1457409476. It was assigned to this individual provider in the NPPES registry on January 8, 2007. The provider is also known as Benjamin Kim Wakamatsu MD.

Where is Benjamin Kim-wakamatsu located?

Benjamin Kim-wakamatsu practices at 1 Hoag Drive, Newport Beach, CA 92658. The listed phone number is (949) 764-5689.

What is Benjamin Kim-wakamatsu's specialty?

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

Is Benjamin Kim-wakamatsu enrolled in Medicare?

Yes. Benjamin Kim-wakamatsu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Benjamin Kim-wakamatsu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Kim-wakamatsu reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 Benjamin Kim-wakamatsu'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 Benjamin Kim-wakamatsu was last updated on December 14, 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.