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GENE TITUNIK YOSHIKAWA MD
NPI 1710447628
Internal Medicine in Torrance, CA

Active since March 25, 2019PECOS Enrolled
1000 W CARSON ST # N18, TORRANCE, CA 90502(424) 306-8220(310) 320-2564 Get Directions Write a Review

NPPES record last updated: July 1, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 8, 2022, Apr 25, 2019 (2 updates tracked since 2019).

About Gene Titunik Yoshikawa Md NPPES

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

GENE TITUNIK YOSHIKAWA MD (NPI 1710447628) is an individual internal medicine provider in Torrance, California, licensed in California (A186395) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710447628
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGENE TITUNIK YOSHIKAWACredential: MD
Location Address1000 W CARSON ST # N18Torrance, CA 90502-2059
Mailing Address1000 W Carson St # N18Torrance, CA 90502-2059 · (424) 306-8220
Phone(424) 306-8220
Fax(310) 320-2564
Sole ProprietorNo
Enumeration DateMarch 25, 2019
Last NPPES UpdateJuly 1, 20232 updates tracked since enumeration
NPPES CertifiedJuly 1, 2023
✔ NPI 1710447628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · A186395✔ Licensed in HI · MDR-7700✔ Licensed in HI · MD-22539
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1000 W CARSON ST # N18, Torrance, CA 90502
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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 (PECOS)

Gene Titunik Yoshikawa 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 Gene Yoshikawa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Honolulu Physician Alliance LLC
2,557 mi
Hospitalist
347 N KUAKINI ST
Honolulu, HI 96817
  • Reassigned Medicare billing, Hawaii enrollment
  • 6 clinicians in this Medicare group
NPI 1609519719 (808) 221-7083

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 90502 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
$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 4

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

DR. SARAH E TOMASSETTI M.D.
Internal Medicine (Hematology & Oncology)
1000 W CARSON ST # N18
TORRANCE, CA 90502
Los Angeles County (310) 745-2882
JENNIFER MINKYOUNG LEE M.D.
Internal Medicine (Hematology & Oncology)
1000 W CARSON ST # N18
TORRANCE, CA 90502
Los Angeles County (424) 306-8220
MARCIN ROBERT DRAGAN M.D.
Internal Medicine (Hematology & Oncology)
1000 W CARSON ST # N18
TORRANCE, CA 90502
Los Angeles County (424) 306-8220
DR. CHARITY ANN HUANG MD
Internal Medicine (Hematology & Oncology)
1000 W CARSON ST # N18
TORRANCE, CA 90502
Los Angeles County (310) 222-2345

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 Gene Yoshikawa's NPI number?

The NPI number for Gene Yoshikawa is 1710447628. It was assigned to this individual provider in the NPPES registry on March 25, 2019.

Where is Gene Yoshikawa located?

Gene Yoshikawa practices at 1000 W Carson St # N18, Torrance, CA 90502. The listed phone number is (424) 306-8220.

What is Gene Yoshikawa's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gene Yoshikawa enrolled in Medicare?

Yes. Gene Yoshikawa is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gene Yoshikawa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gene Yoshikawa reassigns Medicare benefits to Honolulu Physician Alliance LLC (Honolulu, HI). 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 Gene Yoshikawa'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 Gene Yoshikawa was last updated on July 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.