Search › California › 2083P0500X
Matthew Sies, M.D
NPI 1518171826 · on the registry since 2007 · sole proprietor
Practice
- Address
- 5525 W Slauson Ave
Los Angeles, CA 90056 - Phone
- (310) 642-0325
- Fax
- (310) 642-0338
- Organisation at this address
- Knd Development 59 Llc
Thc - Orange County Llc
Thc - Orange County, Llc
Glenview Pathology Medical GroupInferred from a shared address, not stated in the registry. - Clinicians at this address
- 6
Registry record
- Primary taxonomy
- 2083P0500X
2083P0500X
- Also registered as
- 208D00000X
- Licence states on file
- CA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-09-11
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California