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

William L. Phelps II MD PC

Organization Geriatric Medicine (Internal Medicine) Physician · NPI 1063464014

William L. Phelps II MD PC is a Geriatric Medicine (Internal Medicine) Physician in Green Valley, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

101 W Duval Rd Ste 101
Green Valley, AZ 85614-5280
Phone: (520) 625-2950
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 24727 (AZ)

Record details

NPI number1063464014
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Phelps — President · (520) 625-2950
NPI enumeratedMay 17, 2006
Last updated in NPPESNovember 15, 2007
Mailing address101 W. Duval Rd., Suite 101, Green Valley, AZ 85614-5280

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