Physician Profile
Unclaimed ProfileAbout SONTAG
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Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (413) 774-1782
- Email not available
Practice Locations
140 HIGH ST
Greenfield, MA 01301
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 clinical social workers at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 6 related providers in 1 group
Other clinical social workers in Greenfield 6
Same specialty, same city.
Common questions
What does Dr. Sontag specialize in?
Dr. Sontag is a clinical social worker in Greenfield, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Clinical Social Worker”.
NPI registry
Where is Dr. Sontag located?
Dr. Sontag is listed at 140 HIGH ST, Greenfield, MA 01301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sontag's phone number?
The number on file is (413) 774-1782. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sontag's NPI number?
Dr. Sontag's National Provider Identifier is 1124246392. 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 long has Dr. Sontag been practicing?
Dr. Sontag has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Sontag confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sontag. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.