Provider 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.
8835 GERMANTOWN AVE
Philadelphia, PA 19118
Harrison Knowlton is a family doctor in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Harrison Knowlton is listed at 8835 Germantown Ave, Philadelphia, PA 19118. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (215) 248-8200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Harrison Knowlton's National Provider Identifier is 1720917644. 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
Not yet. This profile is built from public federal data and has not been confirmed by Harrison Knowlton. 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.