Doctor profile · Federal record

Dr. Ray-Young Tsao, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Tucson, AZ

  • NPI 1245850775
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 6 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1625 N Campbell Ave
Tucson, AZ 857194330
(520) 626-7233

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
June 15, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #A184474 · Arizona #R77934

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245850775. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
275
Distinct HCPCS
4
Medicare allowed
$39,043
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 161 160 $189
99284 Emergency department visit with moderate level of medical decision making 62 60 $131
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 34 31 $9
71045 X-ray of chest, 1 view 18 18 $10

In context: peer comparison

Among 97 peers in this city , average services per provider: 82. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
28
Total drug cost
$242
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 17 17 $178
Cephalexin Generic 11 11 $64

Frequently asked questions

Auto-generated from federal data
What is Dr. Ray-Young Tsao's medical specialty?
Dr. Ray-Young Tsao practices Emergency Medicine Physician in Tucson, AZ.
Where does Dr. Ray-Young Tsao practice?
Dr. Ray-Young Tsao practices at 1625 N Campbell Ave, Tucson, AZ 857194330. Office phone: 5206267233.
What is Dr. Ray-Young Tsao's NPI?
Dr. Ray-Young Tsao's National Provider Identifier (NPI) is 1245850775, issued by NPPES.
Does Dr. Ray-Young Tsao accept Medicare assignment?
Yes. Dr. Ray-Young Tsao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ray-Young Tsao commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.