Physician Profile
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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.
200 UNICORN PARK DR STE 402
Woburn, MA 01801
55 Lake Ave North
Worcester, MA 01655
Dr. Greenberg is a radiologist in Woburn, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Dr. Greenberg is listed at 200 Unicorn Park Dr Ste 402, Woburn, MA 01801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (603) 943-5580. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Greenberg's National Provider Identifier is 1922064716. 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
Dr. Greenberg attended Other, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
Dr. Greenberg has 42 years experience. Calculated from a graduation year of 1984, 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 Dr. Greenberg. 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.