DR. Fred William Marcus, D.O. is an addiction medicine family medicine in Syosset, NY. The provider is a family medicine physician who specializes in the diagnosis and treatment of addictions. DR. Fred William Marcus, D.O. NPI is 1710123963. The provider is registered as an individual entity type. The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
770 JERICHO TPKE SYOSSET, NY ZIP 11791-516 Phone: (516) 496-2049 Fax: (516) 496-2049
The enumeration date for this NPI number is 12/17/2008 and was last updated on 12/17/2008.
The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:
NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.
This page was last updated on: 11/21/2025
NPI Synchronization or Removal
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