Registry data as of Aug 27, 2026

Genzyme Corporation

Genzyme Corporation holds 11 active organization NPIs in the federal registry, with practice locations in 11 cities in 8 states. 10 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

Phoenix, AZ has the most NPIs, 1

  1. Phoenix, AZ1
  2. Los Angeles, CA1
  3. Monrovia, CA1
  4. Orange, CA1
  5. Tampa, FL1
  6. Cambridge, MA1
  7. Westborough, MA1
  8. Santa Fe, NM1

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

Most NPIs were issued in 2006 and 2007

Genzyme Corporation NPIs by year issued2006: 10, 2007: 102.557.51020062007101
Genzyme Corporation NPIs by year issued2006: 10, 2007: 102.557.51020062007101
Genzyme Corporation NPIs by year issued2006: 10, 2007: 102.557.51020062007101

Source: CMS NPPES, enumeration dates.

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

Phoenix, AZ locations

The city with the most Genzyme Corporation NPIs. The full list of all 11 follows.

NPILocationPrimary taxonomyIssued
18018511594310 E COTTON CENTER BLVD SUITE 120, Phoenix, AZClinical Medical LaboratoryApr 19, 2006
All 11 locations, by state and city
NPILocationPrimary taxonomyIssued
18018511594310 E COTTON CENTER BLVD SUITE 120, Phoenix, AZClinical Medical LaboratoryApr 19, 2006
18412546615300 MCCONNELL AVE, Los Angeles, CAClinical Medical LaboratoryApr 17, 2006
1699739417655 E HUNTINGTON DR, Monrovia, CAClinical Medical LaboratoryApr 17, 2006
19826649671054 W TOWN AND COUNTRY RD, Orange, CAClinical Medical LaboratoryMar 24, 2006
149771528810421 UNIVERSITY CENTER DR SUITE 100, Tampa, FLClinical Medical LaboratoryMar 24, 2006
1104942069500 KENDALL ST, Cambridge, MAClinical Medical LaboratoryMar 22, 2007
10836749153400 COMPUTER DR, Westborough, MAClinical Medical LaboratoryMar 24, 2006
13866043202000 VIVIGEN WAY, Santa Fe, NMClinical Medical LaboratoryMar 24, 2006
1336104199521 W 57TH ST, New York, NYClinical Medical LaboratoryApr 17, 2006
1508966888833 CHESTNUT ST SUITE 1250, Philadelphia, PAGenetics Clinic/CenterSep 25, 2006
13563051638300 OLD COURTHOUSE RD SUITE 240, Vienna, VAClinical Medical LaboratoryApr 17, 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 Genzyme Corporation have 11 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Genzyme Corporation's NPIs list practice locations in 11 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.