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About this NPIWhat this record shows.
NPI 1548358211 is registered to Dr. William Hauptman M.D., a Internal Medicine practising at 1420 Locust St Apt 32a in Philadelphia, Pennsylvania. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. William Hauptman M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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. William Hauptman M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. William Hauptman M.D. directly at (215) 569-9500.
Frequently asked
Yes. NPI 1548358211 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 (215) 569-9500.
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. William Hauptman M.D. is a Type-1 individual NPI.
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