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DR. RYAN ROBERT SHOOK D.O.
NPI 1437358462
Emergency Medicine - Emergency Medical Services in Downey, CA

Active since July 11, 2007PECOS Enrolled
9333 IMPERIAL HWY, KAISER PERMANENTE DOWNEY MEDICAL CENTER, EMERGENCY DEPT, DOWNEY, CA 90242(800) 823-4040 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 29, 2021, Feb 25, 2016 (2 updates tracked since 2016).

About Dr. Ryan Robert Shook D.o. NPPES

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

DR. RYAN ROBERT SHOOK D.O. (NPI 1437358462) is an individual emergency medical services provider in Downey, California, licensed in California (20A12241) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437358462
Entity TypeIndividualMale
Primary Taxonomy207PE0004X
Provider Legal NameDR. RYAN ROBERT SHOOKCredential: D.O.
Location Address9333 IMPERIAL HWY, KAISER PERMANENTE DOWNEY MEDICAL CENTER, EMERGENCY DEPTDowney, CA 90242-2812
Mailing Address9333 Imperial Hwy, Kaiser Permanente Downey Medical Center, Emergency DeptDowney, CA 90242-2812
Phone(800) 823-4040
Sole ProprietorNo
Enumeration DateJuly 11, 2007
Last NPPES UpdateNovember 29, 20212 updates tracked since enumeration
✔ NPI 1437358462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License✔ Licensed in CA · 20A12241
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
Also ListedGeneral PracticeTaxonomy 208D00000X · License OS014951 (PA), OT012168 (PA)
9333 IMPERIAL HWY, Downey, CA 90242
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ryan Robert Shook D.o. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90242 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 20

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

BRANDON LUI
Internal Medicine
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-9000
MICHAEL LUHM
Pharmacist
9333 IMPERIAL HWY, 1ST FLOOR OUTPATIENT PHARMACY
DOWNEY, CA 90242
Los Angeles County (562) 657-9421
ALAN H. QUIROZ
Respiratory Therapist, Registered (Neonatal/Pediatrics)
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-3389
DR. KIRAN PANDEY MD
Internal Medicine (Cardiovascular Disease)
9333 IMPERIAL HWY, DOWNEY
DOWNEY, CA 90242
Los Angeles County (877) 608-0044
DR. JOSEPH DANIEL GRUBIC
Emergency Medicine
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-7130
GRACE YAMASAKI PHARM.D.
Pharmacist
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-9422
LINDA CHAO
Pharmacist
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (833) 574-2273
DR. MARSHA ARABA MARTINSON M.D.
Obstetrics & Gynecology
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-4043

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 Ryan Shook's NPI number?

The NPI number for Ryan Shook is 1437358462. It was assigned to this individual provider in the NPPES registry on July 11, 2007.

Where is Ryan Shook located?

Ryan Shook practices at 9333 Imperial Hwy Kaiser Permanente Downey Medical Center, Emergency Dept, Downey, CA 90242. The listed phone number is (800) 823-4040.

What is Ryan Shook's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Ryan Shook enrolled in Medicare?

Yes. Ryan Shook is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ryan Shook was last updated on November 29, 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.