Jerald Underdahl MD
About this NPIWhat this record shows.
NPI 1043284581 is registered to Jerald Underdahl MD, a Ophthalmology Physician practising at 1331 N 7th St, 100 in Phoenix, Arizona. Ophthalmology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Jerald Underdahl MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 524513AZ
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Jerald Underdahl MD accepts. To confirm in-network status with your specific health plan, contact Jerald Underdahl MD directly at (602) 222-2234.
Frequently asked
Yes. NPI 1043284581 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Ophthalmology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (602) 222-2234.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Jerald Underdahl MD is a Type-1 individual NPI.