Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Katherine Duffy, MD

Individual provider Family Medicine Physician · NPI 1881012433

Katherine Duffy, MD is a Family Medicine Physician in Los Angeles, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1625 Schrader Blvd
Los Angeles, CA 90028-6213
Phone: (323) 993-7500
Fax: (323) 308-4456
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 240 E. Huron Street, Chicago, IL 60611 — (312) 503-7975

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A166886 (CA)

Record details

NPI number1881012433
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2014
Last updated in NPPESApril 7, 2025
Certification dateApril 7, 2025

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