Provider Profile

Douglas N. Callen, PhD

Unclaimed Profile

About Dr. Callen

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Specialty

Credentials & Licensing

PA licenseAT000075L
NPI1043217128
NPI issued07/05/2005

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.

Common questions

What is Douglas N. Callen's address?

Douglas N. Callen is listed at 200 S Water St, Kittanning, PA 16201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Douglas N. Callen?

The number on file is (724) 548-4455. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Douglas N. Callen's NPI number?

Douglas N. Callen's National Provider Identifier is 1043217128. 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 Douglas N. Callen been practicing?

Douglas N. Callen has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Douglas N. Callen confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Douglas N. Callen. 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.