DR. WILLIAM EZIAL BERGER M.D. NPI 1538260583

NPI Information

  • NPI: 1538260583
  • Provider Name: DR. WILLIAM EZIAL BERGER, M.D.
  • Classification: Allergy & Immunology - 207KA0200X
  • Specialization: Allergy
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 27800 MEDICAL CENTER RD
    SUITE 244
    MISSION VIEJO, CA
    ZIP 92691
  • Phone: (949) 364-2900

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NPI Details

DR. William Ezial Berger, M.D. is an allergy allergy immunology in Mission Viejo, CA. The provider is a physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee DR. William Ezial Berger, M.D. NPI is 1538260583. 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:

27800 MEDICAL CENTER RD
SUITE 244
MISSION VIEJO, CA
ZIP 92691-410
Phone: (949) 364-2900
Fax: (949) 365-0117

The NPI 1538260583 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The enumeration date for this NPI number is 9/25/2006 and was last updated on 7/8/2007.

Taxonomy Codes

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:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207KA0200XAllergy & ImmunologyAllergyC35918CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1A87830MEDICARE UPINCALIFORNIA
2W6384MEDICARE ID-TYPE UNSPECIFIEDCALIFORNIA

What is NPI?

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

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