Doctor profile · Federal record

Dr. William O'Malley, MD

Emergency Medicine Physician · Houston, TX

  • NPI 1275528002
  • 21 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10655 Steepletop Dr, Cypress Fairbanks ER
Houston, TX 770654222
(281) 897-3150
Mailing address
4023 University Blvd
Houston, TX 770052711

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
October 20, 2011
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Texas #J8075

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275528002. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$2,258
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 18 18 $125

In context: peer comparison

Among 254 peers in Houston Emergency Medicine Physician, average services per provider: 85. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$184
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Ceribell, INC. 1 $140.70
Inari Medical, INC. 1 $43.66

By nature of payment

Food and Beverage
$184

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
217
Patients
206
Total drug cost
$2,652
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 62 53 $1,556
Azithromycin Generic 38 38 $149
Cephalexin Generic 27 27 $215
Methylprednisolone Generic 27 25 $238
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 19 19 $198
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $161
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 16 16 $98
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 12 12 $38

Frequently asked questions

Auto-generated from federal data
What is Dr. William O'Malley's medical specialty?
Dr. William O'Malley practices Emergency Medicine Physician in Houston, TX.
Where does Dr. William O'Malley practice?
Dr. William O'Malley practices at 10655 Steepletop Dr, Houston, TX 770654222. Office phone: 2818973150.
What is Dr. William O'Malley's NPI?
Dr. William O'Malley's National Provider Identifier (NPI) is 1275528002, issued by NPPES.
What procedures does Dr. William O'Malley commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.