DR. MARSHA JOELLYN MCKAY D.O. NPI 1558384206

NPI Information

  • NPI: 1558384206
  • Provider Name: DR. MARSHA JOELLYN MCKAY, D.O.
  • Classification: Family Medicine - 207Q00000X
  • Entity Type: Individual
  • Address: 18711 TIFFENI DR
    SUITE 16
    TWAIN HARTE, CA
    ZIP 95383
  • Phone: (209) 586-2000

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NPI Details

DR. Marsha Joellyn Mckay, D.O. is a family medicine in Twain Harte, CA. The provider is family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity. DR. Marsha Joellyn Mckay, D.O. NPI is 1558384206. 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:

18711 TIFFENI DR
SUITE 16
TWAIN HARTE, CA
ZIP 95383-590
Phone: (209) 586-2000
Fax: (209) 586-2075

The enumeration date for this NPI number is 7/25/2006 and was last updated on 1/18/2012.

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
1207Q00000XFamily Medicine20A5680CALIFORNIAYes

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
1E74743MEDICARE UPINCALIFORNIA
2020A56802MEDICARE 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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