Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Marlena Tomaszewski, RDH
Dental Hygienist in Manchester, CT · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710604129
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Registry record
Entity type Individual (Type 1)
Name Mrs. Marlena Tomaszewski
Credential RDH
Sex Female
Practice address 240 Spencer St, Manchester, CT, 06040
Phone (860) 645-8000
Fax (860) 533-7338
Enumeration date Oct 26, 2022
Last updated in NPPES Oct 26, 2022
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 Marlena Tomaszewski practice?
The practice location on file with NPPES is in Manchester, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marlena Tomaszewski?
The National Provider Identifier (NPI) for Marlena Tomaszewski is 1710604129, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Dr. Dental of Manchester, PC Dentist · Manchester, CT NPI 1083006431 Roohan Sidhu Dentist · Manchester, CT NPI 1043686959 Nitika Rohilla General Practice Dentistry · Manchester, CT NPI 1205587516 Hamden Plaza Family Dental, PC Dental Clinic/Center · Manchester, CT NPI 1275257958 Lohan Moradia General Practice Dentistry · Manchester, CT NPI 1144906272
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-26.