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NATHANIEL FASTENBERG MD
NPI 1417942905
Internal Medicine - Medical Oncology in Mesa, AZ

Active since September 12, 2005
6111 E ARBOR AVE, MESA, AZ 85206(480) 981-1326(480) 981-1445 Get Directions Write a Review

NPPES record last updated: June 4, 2014. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Nathaniel Fastenberg Md NPPES

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

NATHANIEL FASTENBERG MD (NPI 1417942905) is an individual medical oncology provider in Mesa, Arizona, licensed in Arizona (11622) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1417942905
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameNATHANIEL FASTENBERGCredential: MD
Location Address6111 E ARBOR AVEMesa, AZ 85206-6059
Mailing AddressPo Box 6423Chandler, AZ 85246-6423
Phone(480) 981-1326
Fax(480) 981-1445
Sole ProprietorNo
Enumeration DateSeptember 12, 2005
Last NPPES UpdateJune 4, 2014
✔ NPI 1417942905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in AZ · 11622
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
6111 E ARBOR AVE, Mesa, AZ 85206
Open in Google Maps ↗

Other Identifiers 4

Medicare PINZ109284AZ
OtherP00329821AZ · Railroad Medicare
Other236217AZ · Ahcccs
Medicare UPINC99457AZ

Other Providers at the Same Location NPPES 20

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

DR. BRANDON JAMAL ANDERSON M.D.
Surgery
6111 E ARBOR AVE
MESA, AZ 85206
Maricopa County (480) 981-1326
DR. VICTOR CHIU M.D.
Internal Medicine (Hematology & Oncology)
6111 E ARBOR AVE
MESA, AZ 85206
Maricopa County (480) 981-1326
JASIYA PAIKA FNP
Nurse Practitioner (Family)
6111 E ARBOR AVE
MESA, AZ 85206
Maricopa County (480) 981-1326
NEALE M SPENDER ACNP
Nurse Practitioner (Acute Care)
6111 E ARBOR AVE
MESA, AZ 85206
Maricopa County (480) 981-1326
DR. MONIQUE CHANG M.D.
Internal Medicine (Hematology & Oncology)
6111 E ARBOR AVE
MESA, AZ 85206
Maricopa County (480) 981-1326
DR. MANISHA CHANDAR D.O.
Internal Medicine (Hematology & Oncology)
6111 E ARBOR AVE
MESA, AZ 85206
Maricopa County (480) 981-1326
ASHLEY RASCHEL BROWN DO
Surgery
6111 E ARBOR AVE
MESA, AZ 85206
Maricopa County (480) 981-1326
LUKE J HALBUR MD
Internal Medicine (Hematology & Oncology)
6111 E ARBOR AVE
MESA, AZ 85206
Maricopa County (480) 981-1326

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 Nathaniel Fastenberg's NPI number?

The NPI number for Nathaniel Fastenberg is 1417942905. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Where is Nathaniel Fastenberg located?

Nathaniel Fastenberg practices at 6111 E Arbor Ave, Mesa, AZ 85206. The listed phone number is (480) 981-1326.

What is Nathaniel Fastenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Nathaniel Fastenberg was last updated on June 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.