Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nathan Keller, PHD

Individual provider Clinical Social Worker · NPI 1730330580

Nathan Keller, PHD is a Clinical Social Worker in Bethesda, Maryland. Licensed in Maryland and Texas. Registered with an NPI since 2008.

Licensed in
MD, TX
In the registry since
2008
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

Wrnmmc 8901 Rockville Pike
Bethesda, MD 20889-4501
Phone: (301) 295-1912
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 41707 (TX)
Clinical Social Worker Taxonomy 1041C0700X · Licence 29037 (MD)

Record details

NPI number1730330580
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 9, 2008
Last updated in NPPESJune 5, 2025
Certification dateJune 5, 2025

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