Leo Wiener, M.D.
NPI 1205902871 · Medical Oncology Physician · Mineola, NY
Leo Wiener, M.D. is a Medical Oncology Physician provider in Mineola, NY (NPI 1205902871).
Provider details
- NPI number
- 1205902871
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 129628-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-11-27
- Last updated
- 2013-06-24
Frequently asked questions
- What is Leo Wiener's NPI number?
- Leo Wiener's National Provider Identifier (NPI) is 1205902871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo Wiener's specialty?
- Leo Wiener is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Leo Wiener located?
- Leo Wiener's practice location on file with NPPES is 120 Mineola Blvd, Mineola, NY 11501-4064.
- What is Leo Wiener's phone number?
- The practice phone number listed in the NPPES registry for Leo Wiener is (516) 742-5353.
- Is Leo Wiener's NPI active?
- Yes — Leo Wiener's NPI (1205902871) is active in the NPPES registry as of the last update on 2013-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.