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

Dr. Demetrios Papademetriou, MD

Individual provider Hospitalist Physician · NPI 1639809304

Dr. Demetrios Papademetriou, MD is an Internal Medicine in Valhalla, New York. Qualified in 2016, 10 years ago. Practices with Westchester Medical Center Advanced Physician Services PC, a 880-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
10
Licensed in
NY
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 Woods Rd
Valhalla, NY 10595-1530
Phone: (914) 493-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 341329 (NY)

Record details

NPI number1639809304
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 14, 2022
Last updated in NPPESJanuary 30, 2026
Certification dateJanuary 30, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Westchester Medical Center Advanced Physician Services Pc — 880 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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