Dr. Keith Dufendach MD
About this NPIWhat this record shows.
NPI 1821525429 is registered to Dr. Keith Dufendach MD, a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician practising at 1560 E Sherman Blvd Ste 309 in Muskegon, Michigan. Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Keith Dufendach MD has been enumerated in the National Provider Identifier (NPI) registry since 2017.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250604000521Thoracic SurgeryMI
Source: CMS PECOS public enrollment file.
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. Keith Dufendach MD accepts. To confirm in-network status with your specific health plan, contact Dr. Keith Dufendach MD directly at (231) 672-8643.
Frequently asked
Yes. NPI 1821525429 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Thoracic Surgery (Cardiothoracic Vascular Surgery) 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 (231) 672-8643.
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. Keith Dufendach MD is a Type-1 individual NPI.