NPPES file of Aug 9, 2026

Medical Oncology & Hematology

Medical Oncology & Hematology holds 9 active organization NPIs in the federal registry, with practice locations in 9 cities in 2 states. 7 list clinical medical laboratory as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Derby, CT has the most NPIs, 1

  1. Derby, CT1
  2. Guilford, CT1
  3. Hamden, CT1
  4. Meriden, CT1
  5. New Haven, CT1
  6. Orange, CT1
  7. Waterbury, CT1
  8. Woodbridge, CT1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

NPIs by year issued

Medical Oncology & Hematology NPIs by year issued2006: 902.557.51020069
Medical Oncology & Hematology NPIs by year issued2006: 902.557.51020069
Medical Oncology & Hematology NPIs by year issued2006: 902.557.51020069

Source: CMS NPPES, enumeration dates.

9 NPIs were issued in 2006 alone, more than in any other year.

Derby, CT locations

The city with the most Medical Oncology & Hematology NPIs. The full list of all 9 follows.

NPILocationPrimary taxonomyIssued
1710071857350 SEYMOUR AVE SUITE 6, Derby, CTClinical Medical LaboratoryOct 3, 2006
All 9 locations, by state and city
NPILocationPrimary taxonomyIssued
1710071857350 SEYMOUR AVE SUITE 6, Derby, CTClinical Medical LaboratoryOct 3, 2006
1922195262111 GOOSE LANE SUITE 1300, Guilford, CTClinical Medical LaboratoryOct 6, 2006
19221924002080 WHITNEY AVE SUITE 240, Hamden, CTClinical Medical LaboratoryOct 2, 2006
1114011269455 LEWIS AVE, Meriden, CTClinical Medical LaboratoryOct 3, 2006
11746172451450 CHAPEL ST SUITES A AND B FATHER MCGIVENEY CENTER FOR CANCER CARE, New Haven, CTClinical Medical LaboratoryOct 3, 2006
1164519419240 INDIAN RIVER RD SUITE A1, Orange, CTClinical Medical LaboratoryOct 6, 2006
19221920791075 CHASE PARKWAY, Waterbury, CTClinical Medical LaboratoryOct 3, 2006
107354964819 LUNAR DRIVE, Woodbridge, CTHematology & Oncology PhysicianJun 24, 2006
1962464347225 QUINCY AVE, Brockton, MAHematology & Oncology PhysicianApr 3, 2006

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Medical Oncology & Hematology have 9 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Medical Oncology & Hematology's NPIs list practice locations in 9 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.