Physician Profile
Based in Royal Oak, MI, Donald J. Siwek, M.D. is listed in the NPI registry under anesthesiology. Donald graduated from Wayne State University School of Medicine in 1993.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3601 W 13 MILE RD
Royal Oak, MI 48073
Donald J. Siwek is an anesthesiologist in Royal Oak, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Donald J. Siwek is listed at 3601 W 13 Mile Rd, Royal Oak, MI 48073. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (248) 898-1905. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Donald J. Siwek's National Provider Identifier is 1760439053. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Donald J. Siwek attended Wayne State University School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Donald J. Siwek has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Donald J. Siwek. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.