Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Heather Demarr, BCBA
Behavior Analyst in California, MD · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1700200573
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Registry record
Entity type Individual (Type 1)
Name Heather Demarr
Credential BCBA
Sex Female
Practice address 22593 Three Notch Rd, California, MD, 20619
Phone (301) 862-2505
Fax (301) 862-2548
Enumeration date Feb 13, 2014
Last updated in NPPES Feb 13, 2014
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-12-11916 (MD) Primary
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 Heather Demarr practice?
The practice location on file with NPPES is in California, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Heather Demarr?
The National Provider Identifier (NPI) for Heather Demarr is 1700200573, 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 2014-02-13.