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.
650 PENNSYLVANIA AVE SE STE 240
Washington, DC 20003
211 N Union St
Alexandria, VA 22314
2000 15th St N Ste 200
Arlington, VA 22201
Dr. Efanov is a psychologist in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Dr. Efanov is listed at 650 Pennsylvania Ave Se Ste 240, Washington, DC 20003. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (202) 544-5440. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Efanov's National Provider Identifier is 1083133631. 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
Dr. Efanov has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Efanov. 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.