Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Fiona Mcmahon, DPT,PT
Physical Therapist in New York, NY · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235503657
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Registry record
Entity type Individual (Type 1)
Name Dr. Fiona Mcmahon
Credential DPT,PT
Sex Female
Practice address 110 E 42nd St, Suite 1504, New York, NY, 10017
Phone (212) 354-2622
Fax (212) 354-2752
Enumeration date Nov 23, 2015
Last updated in NPPES Jan 17, 2018
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 039162 (NY) Primary
DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession.
About the DPT 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 Fiona Mcmahon practice?
The practice location on file with NPPES is in New York, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Fiona Mcmahon?
The National Provider Identifier (NPI) for Fiona Mcmahon is 1235503657, 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 2018-01-17.