Doctor profile · Federal record

Dr. Mary Chiu, M.D.

Emergency Medicine Physician · Spokane, WA

  • NPI 1053356212
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5633 N Lidgerwood St
Spokane, WA 992081224
(509) 482-2448
fax (509) 482-2452

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 11, 2011
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Washington #30922
Medicaid (3)
WA #8472086 · MT #1053356212 · WA #1053356212

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053356212. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
338
Distinct HCPCS
5
Medicare allowed
$42,059
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 133 131 $173
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 90 79 $8
99284 Emergency department visit with moderate level of medical decision making 58 56 $119
99291 Critical care, first 30-74 minutes 41 40 $211
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $172

In context: peer comparison

Among 22 peers in Spokane Emergency Medicine Physician, average services per provider: 91. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
118
Patients
116
Total drug cost
$857
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 32 32 $172
Cephalexin Generic 28 28 $292
Ondansetron Odt (Ondansetron) Brand 25 24 $267
Prednisone Generic 20 19 $51
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 13 13 $74

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Chiu's medical specialty?
Dr. Mary Chiu practices Emergency Medicine Physician in Spokane, WA.
Where does Dr. Mary Chiu practice?
Dr. Mary Chiu practices at 5633 N Lidgerwood St, Spokane, WA 992081224. Office phone: 5094822448.
What is Dr. Mary Chiu's NPI?
Dr. Mary Chiu's National Provider Identifier (NPI) is 1053356212, issued by NPPES.
What procedures does Dr. Mary Chiu 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); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.