Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Clarissa Mertens, D.D.S.
Dentist in Chicago, IL · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053763888
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Registry record
Entity type Individual (Type 1)
Name Clarissa Mertens
Credential D.D.S.
Sex Female
Practice address 3009 E 92nd St, Chicago, IL, 60617
Phone (708) 491-7445
Enumeration date Jul 5, 2016
Last updated in NPPES Jul 5, 2016
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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 Clarissa Mertens?
The National Provider Identifier (NPI) for Clarissa Mertens is 1053763888, a Type 1 (individual) record in the CMS NPPES registry.
Where does Clarissa Mertens practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Alex Alemis General Practice Dentistry · Chicago, IL NPI 1548483746 Family Dental Care Dentist · Chicago, IL NPI 1578772299 Chris Alemis General Practice Dentistry · Chicago, IL NPI 1528277415 Marcelle Gharibeh General Practice Dentistry · Chicago, IL NPI 1649489451 Cheryl Keller Dental Hygienist · Chicago, IL NPI 1518176221 Dimitri Vasdekis Dentist · Chicago, IL NPI 1376850891 Kevin Knust Dentist · Chicago, IL NPI 1053653139 Ashley Metz Dentist · Chicago, IL NPI 1821424466
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-05.