Dan Landau, M.D.
NPI 1023292224 · Hematology & Oncology Physician · New York, NY
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dan Landau, M.D. is a Hematology & Oncology Physician provider in New York, NY (NPI 1023292224).
Provider details
- NPI number
- 1023292224
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 284219-1 (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
18 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
- 2007-12-24
- Last updated
- 2018-09-28
Frequently asked questions
- What is Dan Landau's NPI number?
- Dan Landau's National Provider Identifier (NPI) is 1023292224, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Landau's specialty?
- Dan Landau is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Dan Landau located?
- Dan Landau's practice location on file with NPPES is 520 E 70th St # 341, New York, NY 10021-9800.
- What is Dan Landau's phone number?
- The practice phone number listed in the NPPES registry for Dan Landau is (475) 202-9787.
- Does Dan Landau accept Medicare?
- Dan Landau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dan Landau's NPI active?
- Yes — Dan Landau's NPI (1023292224) is active in the NPPES registry as of the last update on 2018-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.