Gc Oncology Services PC
NPI 1629345426 · Medical Oncology Physician · Mineola, NY
Gc Oncology Services PC is a Medical Oncology Physician organization in Mineola, NY (NPI 1629345426).
Provider details
- NPI number
- 1629345426
- Entity type
- Organization
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leo Wiener, Co-President(516) 742-5353
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
14 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
- 2011-11-22
- Last updated
- 2013-06-24
Frequently asked questions
- What is Gc Oncology Services PC's NPI number?
- Gc Oncology Services PC's National Provider Identifier (NPI) is 1629345426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gc Oncology Services PC?
- Gc Oncology Services PC is classified in the NPPES registry as Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gc Oncology Services PC located?
- Gc Oncology Services PC's practice location on file with NPPES is 120 Mineola Blvd, Mineola, NY 11501-4064.
- What is Gc Oncology Services PC's phone number?
- The practice phone number listed in the NPPES registry for Gc Oncology Services PC is (516) 742-5353.
- Who is the authorized official for Gc Oncology Services PC?
- The authorized official listed on Gc Oncology Services PC's NPPES record is Leo Wiener, Co-President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gc Oncology Services PC's NPI active?
- Yes — Gc Oncology Services PC's NPI (1629345426) 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.