Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Robert J. Cersosimo, PHARM.D.
Oncology Pharmacist in Boston, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558445189
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Registry record
Entity type Individual (Type 1)
Name Robert J. Cersosimo
Credential PHARM.D.
Sex Male
Practice address 360 Huntington Ave, 206 Mugar, Boston, MA, 02115
Phone (617) 373-4177
Fax (617) 373-7655
Enumeration date Oct 24, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Robert Cersosimo practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Robert Cersosimo?
The National Provider Identifier (NPI) for Robert Cersosimo is 1558445189, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Cristobal Cornejo Medical Physician Assistant · Boston, MA NPI 1659332799 Jeremiah Foster Athletic Trainer · Boston, MA NPI 1407883382 David Zgarrick Pharmacist · Boston, MA NPI 1003920133 Cheryl Blauth Athletic Trainer · Boston, MA NPI 1578680906 Christie Rizzo Clinical Psychologist · Boston, MA NPI 1376758680 Sarah Young-Hong Speech-Language Pathologist · Boston, MA NPI 1184825762 Janet-Schmiege Ferguson Continuing Education/Staff Development Registered Nurse · Boston, MA NPI 1073754792 Hung Tran Surgical Physician Assistant · Boston, MA NPI 1205078698
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.