Mr. Walter R St.Dennis III
Mr. Walter R St.Dennis III is a Clinical Social Worker provider (Social Worker) practicing in Milford, MA, registered in the NPPES registry with NPI 1427766708 since 2022. Practices at Corner Impact, LLC (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1427766708 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Mr. Walter R St.Dennis III |
| Sex | Male |
| Practice address | Milford, MA, 01757 |
| Phone | 5085528080 |
| Enumeration date | 2022-11-07 |
| Last updated in NPPES | 2022-11-07 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 1041C0700X | Clinical Social Worker | Primary | — | — |
Copy-ready billing details
Provider: Walter St.Dennis NPI: 1427766708 Taxonomy: 1041C0700X (Clinical Social Worker) Address: Milford, MA, 01757
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1285384768 | Corner Impact, LLC | Organization | Substance Use Disorder Rehabilitation Clinic/Center | Milford, MA |
Verify this record
Cross-check NPI 1427766708 against the authoritative CMS record: view Mr. Walter R St.Dennis III on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
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Where does Walter St.Dennis practice?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2022-11-07.