Doctor profile · Federal record

Dr. Thomas Umemoto, M.D

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Sun City, AZ

  • NPI 1477503845
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 27 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10401 West Thunderbird Boulevard
Sun City, AZ 85351
(623) 977-7211
Mailing address
2100 Powell Street Ste 920
Emeryville, CA 946081803

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 5, 2016
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Arizona #35259 · California #A86503
Medicaid
AZ #122377

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477503845. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
611
Distinct HCPCS
5
Medicare allowed
$71,594
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 221 207 $9
99291 Critical care, first 30-74 minutes 178 172 $224
99285 Emergency department visit with high level of medical decision making 136 132 $182
71045 X-ray of chest, 1 view 38 38 $9
99284 Emergency department visit with moderate level of medical decision making 38 36 $126

In context: peer comparison

Among 7 peers in this city , average services per provider: 122. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
43
Patients
43
Total drug cost
$193
Drug Type Claims Patients Total cost
Cephalexin Generic 15 15 $81
Ibuprofen Generic 14 14 $67
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 14 14 $45

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Umemoto's medical specialty?
Dr. Thomas Umemoto practices Emergency Medicine Physician in Sun City, AZ.
Where does Dr. Thomas Umemoto practice?
Dr. Thomas Umemoto practices at 10401 West Thunderbird Boulevard, Sun City, AZ 85351. Office phone: 6239777211.
What is Dr. Thomas Umemoto's NPI?
Dr. Thomas Umemoto's National Provider Identifier (NPI) is 1477503845, issued by NPPES.
Does Dr. Thomas Umemoto accept Medicare assignment?
Yes. Dr. Thomas Umemoto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Umemoto commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.