JERALD P UNDERDAHL MD
NPI 1043284581
Ophthalmology in Phoenix, AZ

Active since February 13, 2006
1331 N 7TH ST, 100, PHOENIX, AZ 85006(602) 222-2234(866) 985-7247 Get Directions Write a Review

NPPES record last updated: June 28, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Jerald P Underdahl Md NPPES

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

JERALD P UNDERDAHL MD (NPI 1043284581) is an individual ophthalmology provider in Phoenix, Arizona, licensed in Arizona (28541) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1043284581
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameJERALD P UNDERDAHLCredential: MD
Location Address1331 N 7TH ST, 100Phoenix, AZ 85006-2754
Mailing AddressPo Box 97876Phoenix, AZ 85060-7876 · (602) 222-2234 · Fax (866) 985-7247
Fax(866) 985-7247
Sole ProprietorNo
Enumeration DateFebruary 13, 2006
Last NPPES UpdateJune 28, 2016
NPI 1043284581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in AZ · 28541
Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

1331 N 7TH ST, Phoenix, AZ 85006

Other Identifiers 3

Medicare ID-Type Unspecified83040
Medicaid524513AZ
Medicare UPING98646

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.

Nurse Practitioner (Family)
1331 N 7TH ST, SUITE 275
PHOENIX, AZ 85006
Dermatology
1331 N 7TH ST, SUITE 250
PHOENIX, AZ 85006
Neurological Surgery
1331 N 7TH ST, 275
PHOENIX, AZ 85006
Nurse Practitioner
1331 N 7TH ST, SUITE 375
PHOENIX, AZ 85006
Physical Therapist (Orthopedic)
1331 N 7TH ST, SUITE 100
PHOENIX, AZ 85006
Exclusive Provider Organization
1331 N 7TH ST, SUITE 290
PHOENIX, AZ 85006
Nurse Practitioner (Acute Care)
1331 N 7TH ST, STE 275
PHOENIX, AZ 85006
Physician Assistant (Surgical)
1331 N 7TH ST, SUITE 275
PHOENIX, AZ 85006

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 Jerald Underdahl's NPI number?

The NPI number for Jerald Underdahl is 1043284581. It was assigned to this individual provider in the NPPES registry on February 13, 2006.

Where is Jerald Underdahl located?

Jerald Underdahl practices at 1331 N 7th St 100, Phoenix, AZ 85006. The listed phone number is (602) 222-2234.

What is Jerald Underdahl's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Jerald Underdahl was last updated on June 28, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.