Nader El-Mallawany, M.D.
NPI 1528217296 · Pediatric Hematology & Oncology Physician · Valhalla, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nader El-Mallawany, M.D. is a Pediatric Hematology & Oncology Physician provider in Valhalla, NY (NPI 1528217296).
Provider details
- NPI number
- 1528217296
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 241045 (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
17 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
- 2008-09-17
- Last updated
- 2013-06-28
Frequently asked questions
- What is Nader El-Mallawany's NPI number?
- Nader El-Mallawany's National Provider Identifier (NPI) is 1528217296, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nader El-Mallawany's specialty?
- Nader El-Mallawany is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nader El-Mallawany located?
- Nader El-Mallawany's practice location on file with NPPES is 40 Sunshine Cottage Rd, Valhalla, NY 10595-1524.
- What is Nader El-Mallawany's phone number?
- The practice phone number listed in the NPPES registry for Nader El-Mallawany is (914) 493-7997.
- Does Nader El-Mallawany accept Medicare?
- Nader El-Mallawany is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nader El-Mallawany's NPI active?
- Yes — Nader El-Mallawany's NPI (1528217296) is active in the NPPES registry as of the last update on 2013-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.