Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Stephen D Tosk, DC
Chiropractor in Pittsfield, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447358387
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Registry record
Entity type Individual (Type 1)
Name Dr. Stephen D Tosk
Credential DC
Sex Male
Practice address 100 Wendell Ave, Suite 9, Pittsfield, MA, 01201
Phone (413) 442-8563
Fax (413) 448-8310
Enumeration date Sep 21, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 9782281 | Medicaid | MA | - |
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 Stephen Tosk practice?
The practice location on file with NPPES is in Pittsfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Stephen Tosk?
The National Provider Identifier (NPI) for Stephen Tosk is 1447358387, 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 2007-07-08.