Doctor profile · Federal record

Dr. Jia Wen Chang, M.D.

Emergency Medicine Physician · Emergency Medicine Physician · Round Rock, TX

  • NPI 1699113274
  • 13 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 University Blvd
Round Rock, TX 786651032
(512) 509-0100
fax (512) 218-6330
Mailing address
Po Box 844658
Dallas, TX 752844658

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
August 25, 2021
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Texas #Q7540 · California #A131810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699113274. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
250
Distinct HCPCS
4
Medicare allowed
$27,435
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 134 133 $117
99283 Emergency department visit with low level of medical decision making 59 59 $69
99285 Emergency department visit with high level of medical decision making 42 42 $169
99282 Emergency department visit with straightforward medical decision making 15 15 $40

In context: peer comparison

Among 25 peers in this city , average services per provider: 89. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
31
Total drug cost
$229
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 18 18 $184
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 13 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. Jia Wen Chang's medical specialty?
Dr. Jia Wen Chang practices Emergency Medicine Physician in Round Rock, TX.
Where does Dr. Jia Wen Chang practice?
Dr. Jia Wen Chang practices at 300 University Blvd, Round Rock, TX 786651032. Office phone: 5125090100.
What is Dr. Jia Wen Chang's NPI?
Dr. Jia Wen Chang's National Provider Identifier (NPI) is 1699113274, issued by NPPES.
What procedures does Dr. Jia Wen Chang commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.