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DR. JUSTIN YOUNGJIN CHOI MD
NPI 1235472267
Internal Medicine in Torrance, CA

Active since March 28, 2013PECOS EnrolledAccepts Medicare Assignment
3330 LOMITA BLVD, TORRANCE, CA 90505(310) 648-1552 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 8, 2025, Jul 14, 2020, Nov 16, 2015 (3 updates tracked since 2015).

About Dr. Justin Youngjin Choi Md NPPES

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

DR. JUSTIN YOUNGJIN CHOI MD (NPI 1235472267) is an individual internal medicine provider in Torrance, California, licensed in California (A148592) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2013).

NPPES Registry Identity

NPI1235472267
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JUSTIN YOUNGJIN CHOICredential: MD
Location Address3330 LOMITA BLVDTorrance, CA 90505-5002
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Phone(310) 648-1552
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2013
Enumeration DateMarch 28, 2013
Last NPPES UpdateDecember 8, 20253 updates tracked since enumeration
NPPES CertifiedDecember 8, 2025
✔ NPI 1235472267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A148592
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.
3330 LOMITA BLVD, Torrance, CA 90505
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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. Justin Youngjin Choi 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 ID3678874831
PECOS Enrollment IDI20171024000856
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 Justin Choi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthcare Partners Affiliates Medical Group
16 mi
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1659312593 (213) 623-2225

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 90505 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 20

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

DANEEN ANN LARECY MSW, LCSW
Social Worker (Clinical)
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 784-4983
ALBERT GRABB M.D.
Radiology (Diagnostic Radiology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 517-4675
DR. GINA L SULMEYER MD
Emergency Medicine
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 517-4785
RYAN GLEBER MD, BS
Emergency Medicine
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 325-9110
JEANETTE KAYE OKA M.D.
Anesthesiology
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 325-9110
DR. RUSSELL DICKERSON M.D.
Radiology (Diagnostic Radiology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 517-4675
DR. ANDREW SCHUMACHER M.D.
Radiology (Radiation Oncology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 517-4750
SARAH MCOSKER
Dietitian, Registered
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 325-9110

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 Justin Choi's NPI number?

The NPI number for Justin Choi is 1235472267. It was assigned to this individual provider in the NPPES registry on March 28, 2013.

Where is Justin Choi located?

Justin Choi practices at 3330 Lomita Blvd, Torrance, CA 90505. The listed phone number is (310) 648-1552.

What is Justin Choi's specialty?

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

Is Justin Choi enrolled in Medicare?

Yes. Justin Choi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Justin Choi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Choi reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Justin Choi'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 Justin Choi was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.