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

Individual provider Clinical Psychologist · NPI 1811010192

Dr. David Stephen Greenwald, PHD is a Clinical Psychologist in Doylestown, Pennsylvania. Qualified in 1975, 51 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
51
Licensed in
PA
In the registry since
2007
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

61 S Pine St
Doylestown, PA 18901-4632
Phone: (215) 340-1554
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS02572L (PA)

Record details

NPI number1811010192
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 9, 2007
Last updated in NPPESMarch 10, 2008
Mailing address2006 Walnut St, Suite 201, Philadelphia, PA 19103-5608

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1975 (51 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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