Doctor profile · Federal record

Dr. John Ngo, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Olympia, WA

  • NPI 1518233089
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
413 Lilly RD Ne
Olympia, WA 985065133
(360) 493-7298

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
September 1, 2016
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Washington #OP60628281 · Pennsylvania #OS017313

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518233089. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
485
Distinct HCPCS
8
Medicare allowed
$54,378
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 151 140 $8
99285 Emergency department visit with high level of medical decision making 120 120 $173
99291 Critical care, first 30-74 minutes 87 85 $209
99284 Emergency department visit with moderate level of medical decision making 56 56 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 32 32 $173
99238 Hospital discharge day management, 30 minutes or less 14 12 $81
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 13 13 $7
99283 Emergency department visit with low level of medical decision making 12 12 $67

In context: peer comparison

Among 21 peers in Olympia Emergency Medicine Physician, average services per provider: 77. This provider delivers 6.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
31
Total drug cost
$328
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 20 20 $280
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 11 $48

Frequently asked questions

Auto-generated from federal data
What is Dr. John Ngo's medical specialty?
Dr. John Ngo practices Emergency Medicine Physician in Olympia, WA.
Where does Dr. John Ngo practice?
Dr. John Ngo practices at 413 Lilly RD Ne, Olympia, WA 985065133. Office phone: 3604937298.
What is Dr. John Ngo's NPI?
Dr. John Ngo's National Provider Identifier (NPI) is 1518233089, issued by NPPES.
Does Dr. John Ngo accept Medicare assignment?
Yes. Dr. John Ngo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Ngo commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.