Provider Profile
Erwin Greenstein
Unclaimed ProfileAbout Erwin Greenstein
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (781) 891-9750
- Email not available
Practice Locations
80 RIVER ST
Waltham, MA 02453
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pharmacists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Dr. Greenstein specialize in?
Dr. Greenstein is a pharmacist in Waltham, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Pharmacist”.
NPI registry
Where is Dr. Greenstein located?
Dr. Greenstein is listed at 80 RIVER ST, Waltham, MA 02453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Greenstein's phone number?
The number on file is (781) 891-9750. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Greenstein?
Dr. Greenstein's National Provider Identifier is 1972918621. 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
How much experience does Dr. Greenstein have?
Dr. Greenstein has 12+ years experience. Registered with an NPI since 2014. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Dr. Greenstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greenstein. 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.