DR. MARGARET G. O'BYRNE M.D. NPI 1366543159

NPI Information

  • NPI: 1366543159
  • Provider Name: DR. MARGARET G. O'BYRNE, M.D.
  • Classification: Internal Medicine - 207RC0000X
  • Specialization: Cardiovascular Disease
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 3811 VALLEY CENTRE DR
    SAN DIEGO, CA
    ZIP 92130
  • Phone: (858) 764-3000

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NPI Details

DR. Margaret G. O'byrne, M.D. is a cardiovascular disease internal medicine in San Diego, CA. The provider is an internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms. DR. Margaret G. O'byrne, M.D. NPI is 1366543159. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a female.

The provider's business location address is:

3811 VALLEY CENTRE DR
SAN DIEGO, CA
ZIP 92130-318
Phone: (858) 764-3000
Fax: (858) 784-5933

The NPI 1366543159 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 9/26/2006 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
1207RC0000XInternal MedicineCardiovascular DiseaseG76683CALIFORNIAYes

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
1F29491MEDICARE UPINCALIFORNIA
2WG76683MMEDICARE 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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