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

Dr. William L Tontz Sr., MD

Individual provider Specialist · NPI 1154398733

Dr. William L Tontz Sr., MD is a Specialist in Yuma, Arizona. Practices as a sole proprietor. Licensed in Arizona and California.

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

1501 W 24th St
Yuma, AZ 85364
Phone: (928) 336-7846
Fax: (928) 336-1776
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 44869 (AZ)
Specialist Taxonomy 174400000X · Licence G41138 (CA)

Record details

NPI number1154398733
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 2, 2006
Last updated in NPPESJuly 24, 2015

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