Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Thomas Seiji Umemoto, MD

Individual provider Emergency Medicine Physician · NPI 1477503845

Thomas Seiji Umemoto, MD is an Emergency Medicine in Sun City, Arizona. Graduated from New York Medical College in 1999, 27 years ago. Practices with Cep America - California, a 1,267-clinician group and accepts Medicare assignment. Licensed in Arizona and California.

Years since qualifying
27
Trained at
New York Medical College
Licensed in
AZ, CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10401 W Thunderbird Blvd
Sun City, AZ 85351
Phone: (623) 977-7211
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 35259 (AZ)
Emergency Medicine Physician Taxonomy 207P00000X · Licence A86503 (CA)

Record details

NPI number1477503845
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2006
Last updated in NPPESJanuary 5, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1999 (27 years in practice)
Group practice Cep America - California — 1267 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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