Hematology & Oncology Associates of Greenwich
NPI 1164430757 · Medical Oncology Physician · Greenwich, CT
Hematology & Oncology Associates of Greenwich is a Medical Oncology Physician organization in Greenwich, CT (NPI 1164430757).
Provider details
- NPI number
- 1164430757
- Entity type
- Organization
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Dickerman Hollister, Partner(203) 863-3737
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
- 2006-08-03
- Last updated
- 2010-01-14
Frequently asked questions
- What is Hematology & Oncology Associates of Greenwich's NPI number?
- Hematology & Oncology Associates of Greenwich's National Provider Identifier (NPI) is 1164430757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hematology & Oncology Associates of Greenwich?
- Hematology & Oncology Associates of Greenwich is classified in the NPPES registry as Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Hematology & Oncology Associates of Greenwich located?
- Hematology & Oncology Associates of Greenwich's practice location on file with NPPES is 77 Lafayette Place, Greenwich, CT 06830.
- What is Hematology & Oncology Associates of Greenwich's phone number?
- The practice phone number listed in the NPPES registry for Hematology & Oncology Associates of Greenwich is (203) 863-3737.
- Who is the authorized official for Hematology & Oncology Associates of Greenwich?
- The authorized official listed on Hematology & Oncology Associates of Greenwich's NPPES record is Dickerman Hollister, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hematology & Oncology Associates of Greenwich's NPI active?
- Yes — Hematology & Oncology Associates of Greenwich's NPI (1164430757) is active in the NPPES registry as of the last update on 2010-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.