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About this NPIWhat this record shows.
NPI 1255336871 is registered to Dr. Stewart Niefield MD, a Internal Medicine practising at 4543 Post Oak Place Drive, Ste 105 in Houston, Texas. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Stewart Niefield MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Provider type
Individual (Type 1)
Status
Active
Enumerated
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The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Stewart Niefield MD accepts. To confirm in-network status with your specific health plan, contact Dr. Stewart Niefield MD directly at (713) 797-1087.
Frequently asked
Yes. NPI 1255336871 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 (713) 797-1087.
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. Stewart Niefield MD is a Type-1 individual NPI.
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