Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kathryn Stahlhuth Holthaus, D.D.S
Pediatric Dentistry in Roxbury, MA · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033593009
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Registry record
Entity type Individual (Type 1)
Name Kathryn Stahlhuth Holthaus
Credential D.D.S
Sex Female
Practice address 2181 Washington St, Roxbury, MA, 02119
Phone (617) 606-3049
Enumeration date Jul 19, 2015
Last updated in NPPES May 23, 2022
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
Where does Kathryn Holthaus practice?
The practice location on file with NPPES is in Roxbury, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kathryn Holthaus?
The National Provider Identifier (NPI) for Kathryn Holthaus is 1033593009, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-23.