Demetrios Papademetriou, MD
NPI 1639809304 · Hospitalist Physician · Valhalla, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Demetrios Papademetriou, MD is a Hospitalist Physician provider in Valhalla, NY (NPI 1639809304).
Provider details
- NPI number
- 1639809304
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 341329 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-14
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Demetrios Papademetriou's NPI number?
- Demetrios Papademetriou's National Provider Identifier (NPI) is 1639809304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Demetrios Papademetriou's specialty?
- Demetrios Papademetriou is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Demetrios Papademetriou located?
- Demetrios Papademetriou's practice location on file with NPPES is 100 Woods Rd, Valhalla, NY 10595-1530.
- What is Demetrios Papademetriou's phone number?
- The practice phone number listed in the NPPES registry for Demetrios Papademetriou is (914) 493-7000.
- Does Demetrios Papademetriou accept Medicare?
- Demetrios Papademetriou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Demetrios Papademetriou's NPI active?
- Yes — Demetrios Papademetriou's NPI (1639809304) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.