Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Guillermo Alegre
Dentist in Philadelphia, PA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1144554627
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Registry record
Entity type Individual (Type 1)
Name Guillermo Alegre
Sex Male
Practice address 2520 Snyder Ave, Philadelphia, PA, 19145
Phone (215) 755-7700
Enumeration date Sep 30, 2009
Last updated in NPPES Sep 30, 2009
Taxonomy & licenses
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 Guillermo Alegre practice?
The practice location on file with NPPES is in Philadelphia, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Guillermo Alegre?
The National Provider Identifier (NPI) for Guillermo Alegre is 1144554627, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Greater Philadelphia Health Action, Inc. Midwife · Phila, PA NPI 1720032659 Gregory Barksdale General Practice Dentistry · Philadelphia, PA NPI 1144265273 Greater Philadelphia Health Action, Inc. Dental Clinic/Center · Phila, PA NPI 1023171303 Linda Jubiril-Taylor Dentist · Philadelphia, PA NPI 1275665184 Christine Milliken Clinical Social Worker · Philadelphia, PA NPI 1568607034 Adam Rom Family Medicine Physician · Philadelphia, PA NPI 1447544457 Thanh Bang General Practice Dentistry · Philadelphia, PA NPI 1801151790 Carolina Devers Reyes Dentist · Philadelphia, PA NPI 1295116481
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-30.