DR. MARK A STILLEY MD
NPI 1336109818
Emergency Medicine in El Paso, TX

Active since March 27, 2006PECOS EnrolledAccepts Medicare Assignment
10301 GATEWAY BLVD W, EL PASO, TX 79925(915) 595-9000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark A Stilley Md NPPES

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

DR. MARK A STILLEY MD (NPI 1336109818) is an individual emergency medicine provider in El Paso, Texas, licensed in Texas (J6041) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with U S M D Hospital At Arlington L P, and is a graduate of University Of Texas Medical School At Houston (1993).

NPPES Registry Identity

NPI1336109818
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARK A STILLEYCredential: MD
Location Address10301 GATEWAY BLVD WEl Paso, TX 79925-7701
Mailing Address6905 Mineral Ridge DrEl Paso, TX 79912-7694 · (191) 584-5007
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1993
Enumeration DateMarch 27, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1336109818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in TX · J6041
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.
10301 GATEWAY BLVD W, El Paso, TX 79925

Other Identifiers 6

OtherP00323514TX · Railroad
Medicare UPINF87413TX
Medicaid40674827NM
Other1336109818TX · Npi
Medicare ID-Type Unspecified8G3449TX
Other8U6942TX · Bcbs

Accepted Insurance

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

Dr. Mark A Stilley 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 ID244143063
PECOS Enrollment IDI20031107000568
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

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.
15 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

U S M D Hospital At Arlington L P

Acute Care Hospitals · Arlington, TX
OwnershipPhysician
CMS Certification Number450872
Location801 W Interstate 20Arlington, TX 76017 · Tarrant County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 79925 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Anesthesiology
10301 GATEWAY BLVD W
EL PASO, TX 79925
Emergency Medicine
10301 GATEWAY BLVD W
EL PASO, TX 79925
General Acute Care Hospital
10301 GATEWAY BLVD W
EL PASO, TX 79925
Radiology (Diagnostic Radiology)
10301 GATEWAY BLVD W
EL PASO, TX 79925
Nurse Practitioner (Neonatal)
10301 GATEWAY BLVD W
EL PASO, TX 79925
Radiology (Diagnostic Radiology)
10301 GATEWAY BLVD W, ATTN: RADIOLOGY DEPT
EL PASO, TX 79925
Surgery (Trauma Surgery)
10301 GATEWAY BLVD W
EL PASO, TX 79925
Specialist/Technologist, Other (Surgical Assistant)
10301 GATEWAY BLVD W
EL PASO, TX 79925

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 Stilley's NPI number?

The NPI number for Mark Stilley is 1336109818. It was assigned to this individual provider in the NPPES registry on March 27, 2006.

Where is Mark Stilley located?

Mark Stilley practices at 10301 Gateway Blvd W, El Paso, TX 79925. The listed phone number is (915) 595-9000.

What is Mark Stilley's specialty?

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

Is Mark Stilley enrolled in Medicare?

Yes. Mark Stilley 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.

What insurance does Mark Stilley accept?

Health plans from Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Mark Stilley as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Stilley affiliated with any hospitals?

According to CMS data, Mark Stilley is affiliated with U S M D Hospital At Arlington L P.

When was this NPI record last updated?

The NPPES record for Mark Stilley was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.