Provider Profile

Matthew Koslowski

Unclaimed Profile

About Matthew Koslowski

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Specialty

Mental Health Counselor (Primary)

Credentials & Licensing

NPI1205775640
NPI issued03/27/2026

Source: NPPES NPI Registry

Common questions

What does Matthew Koslowski specialize in?

Matthew Koslowski is a mental health counselor in Webster, MA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Matthew Koslowski located?

Matthew Koslowski is listed at 32 West Ave, Webster, MA 01570. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Matthew Koslowski's phone number?

The number on file is (617) 671-9695. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Matthew Koslowski's NPI number?

Matthew Koslowski's National Provider Identifier is 1205775640. 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

Has Matthew Koslowski confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Matthew Koslowski. 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.