OSCAR F. CASILLAS M.D.
NPI 1902930399
Emergency Medicine in Santa Monica, CA

Q: What is Oscar Casillas's NPI number?

The NPI number for Oscar Casillas is 1902930399. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Q: What is Oscar Casillas's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Oscar Casillas was last updated on June 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since March 15, 2007PECOS EnrolledAccepts Medicare Assignment

1250 16TH ST, EMERGENCY DEPARTMENT, SANTA MONICA, CA 90404(424) 259-8405 Get Directions Write a Review

NPPES record last updated: June 26, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Oscar F. Casillas M.d. NPPES

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

OSCAR F. CASILLAS M.D. (NPI 1902930399) is an individual emergency medicine provider in Santa Monica, California, licensed in California (A93263) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2004).

NPPES Registry Identity

NPI1902930399

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameOSCAR F. CASILLASCredential: M.D.

Location Address1250 16TH ST, EMERGENCY DEPARTMENTSanta Monica, CA 90404-1249

Mailing Address1990 N California Blvd, Suite 400Walnut Creek, CA 94596-3742 · (925) 225-5837

Phone(424) 259-8405

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2004

Enumeration DateMarch 15, 2007

Last NPPES UpdateJune 26, 2015

✔ NPI 1902930399 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 · A93263

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.

1250 16TH ST, Santa Monica, CA 90404

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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 and accepts Medicare assignment

Oscar F. Casillas M.d. 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 ID7517058498

PECOS Enrollment IDI20070807000356

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.

Areas of Expertise CMS Part B claims 4

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 high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

109 services103 patients

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.

71 services65 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

19 services19 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90404 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier11 claims11 services$19.64 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

1 supplier11 claims11 services$7.48 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

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