Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph Edward Gian Grasso, DMD
Periodontics in Philadelphia, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1265595342
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Registry record
Entity type Individual (Type 1)
Name Joseph Edward Gian Grasso
Credential DMD
Sex Male
Practice address 7601 Castor Ave, Suite 300, Philadelphia, PA, 19152
Phone (215) 722-4290
Fax (215) 722-3734
Enumeration date Dec 19, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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
What is the NPI number for Joseph Gian Grasso?
The National Provider Identifier (NPI) for Joseph Gian Grasso is 1265595342, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Gian Grasso practice?
The practice location on file with NPPES is in Philadelphia, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Glendale Prescription Center Inc Community/Retail Pharmacy · Philadelphia, PA NPI 1598760639 Tomoyasu Fuji Periodontics · Philadelphia, PA NPI 1427126184 Kinni Eyecare, Inc. Optometrist · Philadelphia, PA NPI 1356477129 Randy Tammara Psychiatric Pharmacist · Phila, PA NPI 1841518511 Osama Elwir Pharmacist · Philadelphia, PA NPI 1902491913
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.