Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Courtney Greulich
Behavior Analyst in Berkley, MI · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609227651
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Registry record
Entity type Individual (Type 1)
Name Courtney Greulich
Sex Female
Practice address 1695 W 12 Mile Rd, Berkley, MI, 48072
Phone (248) 691-8143
Enumeration date Jun 30, 2016
Last updated in NPPES Jul 16, 2019
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 Courtney Greulich practice?
The practice location on file with NPPES is in Berkley, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Courtney Greulich?
The National Provider Identifier (NPI) for Courtney Greulich is 1609227651, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-16.