Doris Alan is a family nurse practitioner in Upland, CA. Doris Alan NPI is 1558023754. The provider is registered as an individual entity type and is a single specialty group.The NPPES NPI record indicates the provider is a female.
The provider's business location address is:
1310 SAN BERNARDINO RD STE 201 UPLAND, CA ZIP 91786-985 Phone: (909) 579-0806
The enumeration date for this NPI number is 10/6/2021 and was last updated on 10/6/2021.
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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