Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MATTHEW CHRISTOPHER SIES, M.D.
Active Sole ProprietorMATTHEW CHRISTOPHER SIES, M.D. is a Preventive Medicine healthcare provider located in LOS ANGELES, California. NPI 1518171826 is currently active in the NPPES registry. Verify at CMS.
Preventive Medicine · LOS ANGELES, CA
Registration Details
- NPI Number
- 1518171826
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- May 9, 2007 (19.28745215385 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
A81334 (CA)A81334 (CA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
5525 W SLAUSON AVELOS ANGELES, CA, 900561047Browse CA providers · Browse ZIP 90056
- Phone
- 3106420325
- Fax
- 3106420338
- Primary Specialty
-
Preventive Medicine
2083P0500X
- Additional Specialty
- General Practice
Other Preventive Medicine Providers in LOS ANGELES, CA
| Name | Credential | NPI |
|---|---|---|
| DR. FRANK DAVIS GILLILAND | M.D. | 1699936559 |
| DR. NATASHA NARAYAN | M.D. | 1053757831 |
| SUSAN BRADSHAW | MD | 1104355783 |
| ROBERT A BROOKS | MD | 1295240679 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.