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

Individual provider Emergency Medicine Physician · NPI 1760435960

John William Loewen, MD is an Emergency Medicine in Sun City, Arizona. Graduated from Loma Linda University School of Medicine in 2003, 23 years ago. Practices with San Francisco Emergency Medical Associates, a 72-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
23
Trained at
Loma Linda University School of Medicine
Licensed in
AZ
In the registry since
2006
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 33798 (AZ)

Record details

NPI number1760435960
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESFebruary 1, 2008
Mailing address2100 Powell Street, Ste. 920, Emeryville, CA 94608-1803

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice San Francisco Emergency Medical Associates — 72 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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