NPI 1669600573 is registered to Dr. Mitchell Dullnig M.D., a Internal Medicine practising at 29 Dullnig Road in Sisterdale, Texas. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Mitchell Dullnig M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2009.
Provider type
Individual (Type 1)
Status
Active
Enumerated
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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. Mitchell Dullnig M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Mitchell Dullnig M.D. directly at (830) 324-6667.
Frequently asked
Yes. NPI 1669600573 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 (830) 324-6667.
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. Mitchell Dullnig M.D. is a Type-1 individual NPI.
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