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

Dr. William Robert La Rosa III, MD

Individual provider Family Medicine Physician · NPI 1710372651

Dr. William Robert La Rosa III, MD is a Family Practice in Phoenix, Arizona. Qualified in 2015, 11 years ago. Practices as a sole proprietor. Licensed in Arizona.

Years since qualifying
11
Licensed in
AZ
In the registry since
2015
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

4212 N 16th St
Phoenix, AZ 85016-5319
Phone: (602) 263-1200
Fax: (602) 263-1619
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 56120 (AZ)

Record details

NPI number1710372651
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 30, 2015
Last updated in NPPESMay 15, 2026
Certification dateMay 15, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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