Individual provider · Type 1 NPI

Matthew Christopher Sies, MD

Preventive Medicine/Occupational Environmental Medicine Physician · Los Angeles, CA

NPI number 1518171826 Active

Practice location

5525 W Slauson Ave
Los Angeles, CA 90056-1047

Call (310) 642-0325 Map

Fax (310) 642-0338

Mailing address

10824 Lindbrook Dr Apt 320
Los Angeles, CA 90024-8914

Specialties and licenses

TaxonomyCodeLicense
Preventive Medicine/Occupational Environmental Medicine Physician Primary 2083P0500XA81334 (CA)
General Practice Physician 208D00000XA81334 (CA)

Preventive Medicine/Occupational Environmental Medicine Physician: A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.

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About NPI 1518171826

Matthew Christopher Sies, MD's National Provider Identifier is 1518171826, issued on May 9, 2007. The primary taxonomy on file is Preventive Medicine/Occupational Environmental Medicine Physician (2083P0500X), and the practice location is in Los Angeles, CA. The record was last updated on Sep 11, 2025.