Doctor profile · Federal record

Dr. Theresa Hsiao, DO

Emergency Medicine Physician · Philadelphia, PA

  • NPI 1578943544
  • 11 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5501 Old York RD
Philadelphia, PA 191413018
(215) 456-3834

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
December 8, 2021
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Pennsylvania #OT016588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578943544. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$1,467
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 12 12 $122

In context: peer comparison

Among 322 peers in this city , average services per provider: 85. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
157
Patients
157
Total drug cost
$1,979
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 35 35 $241
Ondansetron Hcl Generic 28 28 $181
Cephalexin Generic 21 21 $278
Ibuprofen Generic 18 18 $132
Cefpodoxime Proxetil Generic 16 16 $675
Doxycycline Monohydrate Generic 15 15 $172
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 13 $234
Prednisone Generic 11 11 $65

Frequently asked questions

Auto-generated from federal data
What is Dr. Theresa Hsiao's medical specialty?
Dr. Theresa Hsiao practices Emergency Medicine Physician in Philadelphia, PA.
Where does Dr. Theresa Hsiao practice?
Dr. Theresa Hsiao practices at 5501 Old York RD, Philadelphia, PA 191413018. Office phone: 2154563834.
What is Dr. Theresa Hsiao's NPI?
Dr. Theresa Hsiao's National Provider Identifier (NPI) is 1578943544, issued by NPPES.
What procedures does Dr. Theresa Hsiao 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.