Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Leipham Callanen, DPT
Physical Therapist in Nashville, TN · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730164815
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Registry record
Entity type Individual (Type 1)
Name Mark Leipham Callanen
Credential DPT
Sex Male
Practice address 4027 Hillsboro Pike, Suite 801, Nashville, TN, 37215
Phone (615) 385-2201
Fax (615) 383-8590
Enumeration date Dec 12, 2005
Last updated in NPPES Mar 7, 2016
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT24601 (CA) Secondary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 9745 (TN) Primary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 006776 (KY) Secondary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 05012019A (IN) Secondary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 7945 (SC) Secondary
DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession.
About the DPT credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| Q000687 | Medicaid | TN | - |
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Mark Callanen?
Mark Callanen is registered in NPPES with the primary taxonomy of Physical Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-07.