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

Dr. Sandra Lynn Duemmler, PHD

Individual provider Clinical Psychologist · NPI 1033241450

Dr. Sandra Lynn Duemmler, PHD is a Clinical Psychologist in West Chester, Pennsylvania. Qualified in 1999, 27 years ago. Practices as a sole proprietor, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Delaware and Pennsylvania.

Years since qualifying
27
Licensed in
DE, PA
In the registry since
2007
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

1 Ivy Rock Rd
West Chester, PA 19382-8148
Phone: (302) 983-7971
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3411 Silverside Rd, Wilmington, DE 19810-4812 — (302) 983-7971

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS019473 (PA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 0000600 (DE)

Record details

NPI number1033241450
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 12, 2007
Last updated in NPPESFebruary 7, 2024
Certification dateJanuary 23, 2024

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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