Sue Fregien MD
About this NPIWhat this record shows.
NPI 1457519613 is registered to Sue Fregien MD, a Undersea and Hyperbaric Medicine (Preventive Medicine) Physician practising at 2900 W Oklahoma Ave in Milwaukee, Wisconsin. Undersea and Hyperbaric Medicine (Preventive Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Sue Fregien MD has been enumerated in the National Provider Identifier (NPI) registry since 2008.
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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
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 Sue Fregien MD accepts. To confirm in-network status with your specific health plan, contact Sue Fregien MD directly at (414) 649-1292.
Frequently asked
Yes. NPI 1457519613 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Undersea and Hyperbaric Medicine (Preventive Medicine) 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 (414) 649-1292.
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. Sue Fregien MD is a Type-1 individual NPI.