Roland Leung, M.D,
NPI 1851503817 · Hematology & Oncology Physician · New York, NY
Roland Leung, M.D, is a Hematology & Oncology Physician provider in New York, NY (NPI 1851503817).
Provider details
- NPI number
- 1851503817
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Male
- Sole proprietor
- Yes
- License
- 235981 (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
19 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
- 2007-05-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Roland Leung's NPI number?
- Roland Leung's National Provider Identifier (NPI) is 1851503817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roland Leung's specialty?
- Roland Leung is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Roland Leung located?
- Roland Leung's practice location on file with NPPES is 462 1st Ave, New York, NY 10016-9196.
- What is Roland Leung's phone number?
- The practice phone number listed in the NPPES registry for Roland Leung is (212) 263-6485.
- Is Roland Leung's NPI active?
- Yes — Roland Leung's NPI (1851503817) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.