Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Margaret Lynn Alston, PT, PHD
Physical Therapist in Bel Air, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104880285
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Registry record
Entity type Individual (Type 1)
Name Margaret Lynn Alston
Credential PT, PHD
Sex Female
Practice address 2021b Emmorton Rd, Suite 118, Bel Air, MD, 21015
Phone (410) 515-9017
Fax (410) 515-9016
Enumeration date Apr 14, 2006
Last updated in NPPES Feb 11, 2008
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 15448 (MD) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT credential
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 Margaret Alston practice?
The practice location on file with NPPES is in Bel Air, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Margaret Alston?
The National Provider Identifier (NPI) for Margaret Alston is 1104880285, 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 2008-02-11.