WILLIAM L. PHELPS II MD PC
NPI 1063464014
Internal Medicine - Geriatric Medicine in Green Valley, AZ

Q: What is William L. Phelps II MD PC's NPI number?

The NPI number for William L. Phelps II MD PC is 1063464014. It was assigned to this organization in the NPPES registry on May 17, 2006.

Q: What is William L. Phelps II MD PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Active since May 17, 2006

101 W. DUVAL RD., SUITE 101, GREEN VALLEY, AZ 85614(520) 625-2950 Get Directions Write a Review

NPPES record last updated: November 15, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About William L. Phelps Ii Md Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM L. PHELPS II MD PC (NPI 1063464014) is a healthcare organization registered as a geriatric medicine in Green Valley, Arizona and active in the NPI registry since May 2006. The organization lists William Lee Phelps, President, as its authorized official.

NPPES Registry Identity

NPI1063464014

Entity TypeOrganization

Primary Taxonomy207RG0300X

Legal Business NameWILLIAM L. PHELPS II MD PC

Location Address101 W. DUVAL RD., SUITE 101Green Valley, AZ 85614-5280

Mailing Address101 W. Duval Rd., Suite 101Green Valley, AZ 85614-5280

Phone(520) 625-2950

Organization SubpartNo

Authorized OfficialWilliam Lee PhelpsPresident · (520) 625-2950

Enumeration DateMay 17, 2006

Last NPPES UpdateNovember 15, 2007

✔ NPI 1063464014 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RG0300X

License✔ Licensed in AZ · 24727

Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

101 W. DUVAL RD., Green Valley, AZ 85614

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Other Identifiers 2

Medicare UPING47605AZ

Medicare PINZ79826

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William L. Phelps II MD PC's NPI number?

The NPI number for William L. Phelps II MD PC is 1063464014. It was assigned to this organization in the NPPES registry on May 17, 2006.

Where is William L. Phelps II MD PC located?

William L. Phelps II MD PC is located at 101 W. Duval Rd. Suite 101, Green Valley, AZ 85614. The listed phone number is (520) 625-2950.

What is William L. Phelps II MD PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

When was this NPI record last updated?

The NPPES record for William L. Phelps II MD PC was last updated on November 15, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.