Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Karen Rothballer Seelert, PH.D.
Psychologist in Darien, CT · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710537758
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Registry record
Entity type Individual (Type 1)
Name Dr. Karen Rothballer Seelert
Credential PH.D.
Sex Female
Practice address 85 Old Kings Hwy N, Darien, CT, 06820
Phone (203) 202-7654
Enumeration date Sep 11, 2019
Last updated in NPPES Sep 16, 2019
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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 specialty is Karen Seelert?
Karen Seelert is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-16.