WILLIAM GUSTIN MD NPI 1457431504

NPI Information

  • NPI: 1457431504
  • Provider Name: WILLIAM GUSTIN, MD
  • Classification: Hospitalist - 208M00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 30230 RANCHO VIEJO RD
    SUITE 200
    SAN JUAN CAPISTRANO, CA
    ZIP 92675
  • Phone: (949) 443-4303

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NPI Details

William Gustin, MD is a hospitalist in San Juan Capistrano, CA. The provider is hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients. William Gustin, MD NPI is 1457431504. 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:

30230 RANCHO VIEJO RD
SUITE 200
SAN JUAN CAPISTRANO, CA
ZIP 92675-557
Phone: (949) 443-4303
Fax: (949) 443-4033

The NPI 1457431504 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 10/16/2006 and was last updated on 10/6/2014.

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
1208M00000XHospitalist000000A77418CALIFORNIAYes

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
1WA77418CMEDICARE PINCALIFORNIA
2WA77418BMEDICARE PINCALIFORNIA
3CA120289MEDICARE PINCALIFORNIA

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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