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MARK M. YOUSSEF M.D.
NPI 1235188400
Emergency Medicine in Victorville, CA

Active since May 08, 2006PECOS Enrolled
15248 11TH ST, EMERGENCY DEPARTMENT, VICTORVILLE, CA 92395(760) 245-8691(760) 843-6020 Get Directions Write a Review

NPPES record last updated: January 8, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark M. Youssef M.d. NPPES

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

MARK M. YOUSSEF M.D. (NPI 1235188400) is an individual emergency medicine provider in Victorville, California, licensed in California (A49793) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235188400
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMARK M. YOUSSEFCredential: M.D.
Location Address15248 11TH ST, EMERGENCY DEPARTMENTVictorville, CA 92395-3704
Mailing Address4551 Glencoe Ave, Suite 260Marina Del Rey, CA 90292-6385 · (310) 301-2030 · Fax (310) 306-5247
Phone(760) 245-8691
Fax(760) 843-6020
Sole ProprietorNo
Enumeration DateMay 8, 2006
Last NPPES UpdateJanuary 8, 2009
✔ NPI 1235188400 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 · A49793
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.
15248 11TH ST, Victorville, CA 92395
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Other Identifiers 4

Medicare PINHA49793HCA
Medicare PINAZ516ZCA
Medicaid00A497930CA
Medicare UPINF17495CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark M. Youssef M.d. 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 92395 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

CARMEN CASTILLO SANTOS M.D.
Anesthesiology
15248 11TH ST
VICTORVILLE, CA 92395
San Bernardino County (760) 843-6075
MELVIN WEBB M.D.
Internal Medicine
15248 11TH ST, EMERGENCY DEPARTMENT
VICTORVILLE, CA 92395
San Bernardino County (760) 245-8691
GLENN P. WEDEEN MD A MEDICAL CORPORATION
Radiology (Diagnostic Radiology)
15248 11TH ST
VICTORVILLE, CA 92395
San Bernardino County (760) 245-8691
ARCADIA PATHOLOGY MEDICAL GROUP
Pathology (Anatomic Pathology & Clinical Pathology)
15248 11TH ST
VICTORVILLE, CA 92395
San Bernardino County (760) 245-8691
JOHN STROH M.D.
Emergency Medicine
15248 11TH ST, EMERGENCY DEPARTMENT
VICTORVILLE, CA 92395
San Bernardino County (760) 245-8691
DR. LYDIA CRUZ M.D.
Anesthesiology
15248 11TH ST
VICTORVILLE, CA 92395
San Bernardino County (760) 245-8691
REDA M TADROS MD INC
Pathology (Anatomic Pathology & Clinical Pathology)
15248 11TH ST
VICTORVILLE, CA 92395
San Bernardino County (760) 843-6262
STEPHEN E. HILLER, M.D. A MEDICAL CORPORATION
Emergency Medicine
15248 11TH ST
VICTORVILLE, CA 92395
San Bernardino County (760) 245-8691

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 Mark Youssef's NPI number?

The NPI number for Mark Youssef is 1235188400. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Where is Mark Youssef located?

Mark Youssef practices at 15248 11th St Emergency Department, Victorville, CA 92395. The listed phone number is (760) 245-8691.

What is Mark Youssef's specialty?

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

Is Mark Youssef enrolled in Medicare?

Yes. Mark Youssef is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Youssef was last updated on January 8, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.