Doctor profile · Federal record

Dr. James Hsiao, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · La Mesa, CA

  • NPI 1306022959
  • Accepts Medicare
  • MIPS 67.1 / 100 · 2023
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5555 Grossmont Center Dr
La Mesa, CA 919423019
(410) 206-6613

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
November 25, 2008
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #A104525 · New York #239509

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306022959. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
848
Distinct HCPCS
5
Medicare allowed
$105,479
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 391 383 $177
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 249 240 $8
99291 Critical care, first 30-74 minutes 99 97 $218
99284 Emergency department visit with moderate level of medical decision making 96 94 $122
99283 Emergency department visit with low level of medical decision making 13 13 $72

In context: peer comparison

Among 14 peers in this city , average services per provider: 119. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
126
Patients
114
Total drug cost
$1,189
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 41 41 $138
Ondansetron Odt (Ondansetron) Brand 30 29 $268
Cephalexin Generic 19 19 $210
Prednisone Generic 14 14 $41
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 0 $371
Doxycycline Hyclate Generic 11 11 $161

Frequently asked questions

Auto-generated from federal data
What is Dr. James Hsiao's medical specialty?
Dr. James Hsiao practices Emergency Medicine Physician in La Mesa, CA.
Where does Dr. James Hsiao practice?
Dr. James Hsiao practices at 5555 Grossmont Center Dr, La Mesa, CA 919423019. Office phone: 4102066613.
What is Dr. James Hsiao's NPI?
Dr. James Hsiao's National Provider Identifier (NPI) is 1306022959, issued by NPPES.
Does Dr. James Hsiao accept Medicare assignment?
Yes. Dr. James Hsiao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Hsiao commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.