DR. Glenn Roy Allison, M.D. is a surgical oncology surgery in Orange, CA. The provider is a surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research. DR. Glenn Roy Allison, M.D. NPI is 1245386051. 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:
212 E CHAPMAN AVE ORANGE, CA ZIP 92866-506 Phone: (714) 633-9761 Fax: (714) 633-0802
The enumeration date for this NPI number is 1/26/2007 and was last updated on 9/11/2025.
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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