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DR. ROBERT GEOFFREY NELSON MD, PHD
NPI 1447589478
Internal Medicine in Phoenix, AZ

Active since December 22, 2009
1550 E INDIAN SCHOOL RD, PHOENIX, AZ 85014(602) 200-5205(602) 200-5225 Get Directions Write a Review

NPPES record last updated: December 22, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Robert Geoffrey Nelson Md, Phd NPPES

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

DR. ROBERT GEOFFREY NELSON MD, PHD (NPI 1447589478) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (15217) and active in the NPI registry since December 2009.

NPPES Registry Identity

NPI1447589478
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT GEOFFREY NELSONCredential: MD, PHD
Location Address1550 E INDIAN SCHOOL RDPhoenix, AZ 85014-4972
Mailing Address1550 E Indian School RdPhoenix, AZ 85014-4972 · (602) 200-5205 · Fax (602) 200-5225
Phone(602) 200-5205
Fax(602) 200-5225
Sole ProprietorNo
Enumeration DateDecember 22, 2009
✔ NPI 1447589478 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in AZ · 15217✔ Licensed in CA · G43266
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1550 E INDIAN SCHOOL RD, Phoenix, AZ 85014
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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WILLIAM C KNOWLER M.D.
Preventive Medicine (Public Health & General Preventive Medicine)
1550 E INDIAN SCHOOL RD
PHOENIX, AZ 85014
Maricopa County (602) 200-5206
RACHEL WILLIAMS FNP-C
Nurse Practitioner (Family)
1550 E INDIAN SCHOOL RD
PHOENIX, AZ 85014
Maricopa County (602) 200-5339

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 Robert Nelson's NPI number?

The NPI number for Robert Nelson is 1447589478. It was assigned to this individual provider in the NPPES registry on December 22, 2009.

Where is Robert Nelson located?

Robert Nelson practices at 1550 E Indian School Rd, Phoenix, AZ 85014. The listed phone number is (602) 200-5205.

What is Robert Nelson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Robert Nelson was last updated on December 22, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.