Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Keith W. Hallbourg
Physical Therapist in Pepperell, MA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104099738
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Registry record
Entity type Individual (Type 1)
Name Dr. Keith W. Hallbourg
Sex Male
Practice address 68a Heald St, Pepperell, MA, 01463
Phone (603) 305-6452
Enumeration date Apr 3, 2008
Last updated in NPPES Apr 3, 2008
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 13106 (MA) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 13106 | Other | MA | LICENSE |
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
What is the NPI number for Keith Hallbourg?
The National Provider Identifier (NPI) for Keith Hallbourg is 1104099738, a Type 1 (individual) record in the CMS NPPES registry.
Where does Keith Hallbourg practice?
The practice location on file with NPPES is in Pepperell, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-03.