Physician 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.
1919 E THOMAS RD
Phoenix, AZ 85016
550 1st Ave
New York, NY 10016
4650 W Sunset Blvd
Los Angeles, CA 90027
Ashley Gefen is a pediatric nephrology in Phoenix, AZ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Ashley Gefen is listed at 1919 E Thomas Rd, Phoenix, AZ 85016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (602) 933-0965. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Ashley Gefen's National Provider Identifier is 1740636141. 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
Ashley Gefen attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
Ashley Gefen has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Ashley Gefen. 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.