Dr. Stephen Flach MD, PHD
About this NPIWhat this record shows.
NPI 1861683088 is registered to Dr. Stephen Flach MD, PHD, a Internal Medicine practising at Covance, 3402 Kinsman Blvd in Madison, Wisconsin. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Stephen Flach MD, PHD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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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 Dr. Stephen Flach MD, PHD accepts. To confirm in-network status with your specific health plan, contact Dr. Stephen Flach MD, PHD directly at (608) 443-1491.
Frequently asked
Yes. NPI 1861683088 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (608) 443-1491.
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. Dr. Stephen Flach MD, PHD is a Type-1 individual NPI.