Leonardo Sirulnik, MD PHD
NPI 1104894518 · Hematology & Oncology Physician · Irvington, NY
Leonardo Sirulnik, MD PHD is a Hematology & Oncology Physician provider in Irvington, NY (NPI 1104894518).
Provider details
- NPI number
- 1104894518
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- License
- 287353 (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
20 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
- 2006-03-10
- Last updated
- 2026-05-22
- Certified
- 2026-05-22
Frequently asked questions
- What is Leonardo Sirulnik's NPI number?
- Leonardo Sirulnik's National Provider Identifier (NPI) is 1104894518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonardo Sirulnik's specialty?
- Leonardo Sirulnik is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonardo Sirulnik located?
- Leonardo Sirulnik's practice location on file with NPPES is 19 Matthiessen Park S, Irvington, NY 10533-1507.
- What is Leonardo Sirulnik's phone number?
- The practice phone number listed in the NPPES registry for Leonardo Sirulnik is (617) 953-9329.
- Is Leonardo Sirulnik's NPI active?
- Yes — Leonardo Sirulnik's NPI (1104894518) is active in the NPPES registry as of the last update on 2026-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.