Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Kathryn M Sapp, M.S., BCBA
Behavior Analyst in North Chelmsford, MA · enumerated 2011 · practices at Tendernest Behavioral Group, LLC.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730466921
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Registry record
Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1303287 | Medicaid | MA | - |
| 042611055 | Other | MA | TAX ID |
| 1004745 | Other | MA | NHP |
| 0000023532 | Other | MA | BMC |
| 1303287 | Other | MA | MBHP |
| 99618201 | Other | MA | NETWORK HEALTH |
| M18633 | Other | MA | BCBS |
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
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-23.