Individual
MATTHEW CHRISTOPHER SIES
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
5525 W SLAUSON AVE, LOS ANGELES, CA 90056-1047
(310) 642-0325
(310) 642-0338
Mailing address
10824 LINDBROOK DR APT 320, LOS ANGELES, CA 90024-8914
(310) 503-9474
Taxonomy
Speciality
Code
Description
License number
State
2083P0500X
Preventive Medicine/Occupational Environmental Medicine Physician
Primary
A81334
CA
208D00000X
General Practice Physician
A81334
CA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
WA81334A
PPIN
CA
Enumeration date
05/09/2007
Last updated
09/11/2025
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