JEFFREY K. SHIMOYAMA MD
NPI 1245307255
Internal Medicine in Los Angeles, CA

Active since November 29, 2006PECOS EnrolledAccepts Medicare Assignment
6041 CADILLAC AVE, LOS ANGELES, CA 90034(323) 857-2000 Get Directions Write a Review

NPPES record last updated: December 2, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jeffrey K. Shimoyama Md NPPES

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

JEFFREY K. SHIMOYAMA MD (NPI 1245307255) is an individual internal medicine provider in Los Angeles, California, licensed in California (G63937) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1987).

NPPES Registry Identity

NPI1245307255
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJEFFREY K. SHIMOYAMACredential: MD
Location Address6041 CADILLAC AVELos Angeles, CA 90034-1702
Mailing Address6041 Cadillac AveLos Angeles, CA 90034-1702 · (323) 857-2000
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1987
Enumeration DateNovember 29, 2006
Last NPPES UpdateDecember 2, 2021
NPI 1245307255 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 · G63937
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.
6041 CADILLAC AVE, Los Angeles, CA 90034

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Jeffrey K. Shimoyama 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 ID9931156940
PECOS Enrollment IDI20050401000440
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90034 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.

Speech-Language Pathologist
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Advanced Practice Midwife
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Internal Medicine (Cardiovascular Disease)
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Pharmacist
6041 CADILLAC AVE, KAISER WEST LOS ANGELES MEDICAL CENTER
LOS ANGELES, CA 90034
Internal Medicine
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Internal Medicine
6041 CADILLAC AVE, INTERNAL MEDICINE MODULE 2D
LOS ANGELES, CA 90034
Internal Medicine (Nephrology)
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Anesthesiology
6041 CADILLAC AVE
LOS ANGELES, CA 90034

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 Jeffrey Shimoyama's NPI number?

The NPI number for Jeffrey Shimoyama is 1245307255. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Where is Jeffrey Shimoyama located?

Jeffrey Shimoyama practices at 6041 Cadillac Ave, Los Angeles, CA 90034. The listed phone number is (323) 857-2000.

What is Jeffrey Shimoyama's specialty?

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

Is Jeffrey Shimoyama enrolled in Medicare?

Yes. Jeffrey Shimoyama 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.

When was this NPI record last updated?

The NPPES record for Jeffrey Shimoyama was last updated on December 2, 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.