Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Florence W Rosenstock, MSW LICSW
Psychologist in Amherst, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881655009
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Registry record
Entity type Individual (Type 1)
Name Ms. Florence W Rosenstock
Credential MSW LICSW
Sex Female
Practice address 664 Main Street, Suite 58, Amherst, MA, 01002
Phone (413) 256-1840
Fax (413) 253-5306
Enumeration date Mar 29, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1031790 | Other | - | FALLON BEACON HEALTH STRA |
| 1053485 | Other | - | CIGNA BEHAVIORAL HEALTH |
| 6293509 | Other | - | CONNECTICARE |
| P07744 | Other | MA | BCBS |
| 2656305 | Other | - | AETNA |
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 Florence Rosenstock practice?
The practice location on file with NPPES is in Amherst, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Florence Rosenstock?
The National Provider Identifier (NPI) for Florence Rosenstock is 1881655009, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.