Doctor profile · Federal record

Dr. Justin Williams, M.D.

Emergency Medicine Physician · Fort Sam Houston, TX

  • NPI 1578511846
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3851 Roger Brooke Dr
Fort Sam Houston, TX 782344501
(210) 916-0808
fax (210) 916-2265
Mailing address
3511 Hilldale PT
San Antonio, TX 782612353

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 8, 2007
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Ohio #35085855
Medicaid
OH #2570472

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578511846. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
556
Distinct HCPCS
5
Medicare allowed
$76,331
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 193 191 $118
99285 Emergency department visit with high level of medical decision making 175 175 $172
99291 Critical care, first 30-74 minutes 94 94 $209
99283 Emergency department visit with low level of medical decision making 48 48 $70
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 46 45 $8

In context: peer comparison

Among 17 peers in this city , average services per provider: 73. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$51
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., Inc. 3 $50.80

By nature of payment

Food and Beverage
$51

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
369
Patients
363
Total drug cost
$2,831
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 82 81 $636
Ibuprofen Generic 74 74 $294
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 35 35 $160
Prednisone Generic 35 34 $65
Cephalexin Generic 26 26 $168
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 24 23 $634
Cyclobenzaprine Hcl Generic 19 19 $100
Azithromycin Generic 17 16 $80
Clindamycin Hcl Generic 16 16 $192
Cefdinir Generic 15 14 $410

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Williams's medical specialty?
Dr. Justin Williams practices Emergency Medicine Physician in Fort Sam Houston, TX.
Where does Dr. Justin Williams practice?
Dr. Justin Williams practices at 3851 Roger Brooke Dr, Fort Sam Houston, TX 782344501. Office phone: 2109160808.
What is Dr. Justin Williams's NPI?
Dr. Justin Williams's National Provider Identifier (NPI) is 1578511846, issued by NPPES.
What procedures does Dr. Justin Williams commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.