Individual provider · Type 1 NPI

William Ritchie Mackenzie, MD

Infectious Disease Physician · Mather, CA

NPI number 1073561601 Active

Practice location

10535 Hospital Way
Mather, CA 95655-4200

Mailing address

380 World Way, Box N-19
Los Angeles, CA 90045-5800

Specialties and licenses

TaxonomyCodeLicense
Infectious Disease Physician Primary 207RI0200XG59633 (CA)

Infectious Disease Physician: An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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About NPI 1073561601

William Ritchie Mackenzie, MD's National Provider Identifier is 1073561601, issued on May 5, 2006. The primary taxonomy on file is Infectious Disease Physician (207RI0200X), and the practice location is in Mather, CA. The record was last updated on Jul 13, 2026.