Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michelle Marie Pfaeffle, B.S. ED.
Behavior Analyst in Holbrook, NY · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821231978
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Registry record
Entity type Individual (Type 1)
Name Michelle Marie Pfaeffle
Credential B.S. ED.
Sex Female
Practice address 263 Singingwood Dr, Holbrook, NY, 11741
Phone (631) 868-3752
Enumeration date Apr 18, 2009
Last updated in NPPES Apr 18, 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
What is the NPI number for Michelle Pfaeffle?
The National Provider Identifier (NPI) for Michelle Pfaeffle is 1821231978, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michelle Pfaeffle practice?
The practice location on file with NPPES is in Holbrook, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-18.