1. Home
  2. Directory
  3. Texas
  4. Houston
  5. Emergency Medicine
  6. NPI Profile

DR. WILLIAM O'MALLEY MD
NPI 1275528002
Emergency Medicine in Houston, TX

Active since September 19, 2005PECOS Enrolled
10655 STEEPLETOP DR, CYPRESS FAIRBANKS ER, HOUSTON, TX 77065(281) 897-3150 Get Directions Write a Review

NPPES record last updated: October 20, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William O'malley Md NPPES

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

DR. WILLIAM O'MALLEY MD (NPI 1275528002) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (J8075) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275528002
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. WILLIAM O'MALLEYCredential: MD
Location Address10655 STEEPLETOP DR, CYPRESS FAIRBANKS ERHouston, TX 77065-4222
Mailing Address4023 University BlvdHouston, TX 77005-2711 · (713) 664-5890
Phone(281) 897-3150
Sole ProprietorYes
Enumeration DateSeptember 19, 2005
Last NPPES UpdateOctober 20, 2011
✔ NPI 1275528002 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 · J8075
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.
10655 STEEPLETOP DR, Houston, TX 77065
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINF93576

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company and more.Insurance ›

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. William O'malley Md 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.

Areas of Expertise CMS Part B claims 3

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 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.
50 services50 patients
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.
26 services26 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77065 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

DR. RICHARD HAUSNER M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
10655 STEEPLETOP DR, PATHOLOGY DEPARTMENT
HOUSTON, TX 77065
Harris County (281) 897-3165
HOUSTON CYPRESS ANESTHESIA LLP
Anesthesiology
10655 STEEPLETOP DR
HOUSTON, TX 77065
Harris County (281) 580-9030
MRS. REINA ALEJANDRA RONDON SA-C
Specialist/Technologist, Other (Surgical Assistant)
10655 STEEPLETOP DR
HOUSTON, TX 77065
Harris County (281) 890-4285
DR. FRANCINE EVELYN CHENG D.O.
Pediatrics
10655 STEEPLETOP DR
HOUSTON, TX 77065
Harris County (281) 890-4285
CHUNG C LEE M.D.
Anesthesiology
10655 STEEPLETOP DR
HOUSTON, TX 77065
Harris County (281) 580-9030
DR. RUCHA A. SHETH M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
10655 STEEPLETOP DR, PATHOLOGY DEPARTMENT
HOUSTON, TX 77065
Harris County (281) 897-3165
DEVDUTT NAGARKAR M.D.
Anesthesiology
10655 STEEPLETOP DR
HOUSTON, TX 77065
Harris County (281) 580-9030
BETHANY WILLIAMS D.O.
Anesthesiology
10655 STEEPLETOP DR
HOUSTON, TX 77065
Harris County (281) 890-4285

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 William O'malley's NPI number?

The NPI number for William O'malley is 1275528002. It was assigned to this individual provider in the NPPES registry on September 19, 2005.

Where is William O'malley located?

William O'malley practices at 10655 Steepletop Dr Cypress Fairbanks ER, Houston, TX 77065. The listed phone number is (281) 897-3150.

What is William O'malley's specialty?

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

Is William O'malley enrolled in Medicare?

Yes. William O'malley is registered in the Medicare PECOS enrollment system.

What insurance does William O'malley accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company and UnitedHealthcare list William O'malley 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.

When was this NPI record last updated?

The NPPES record for William O'malley was last updated on October 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.