Mark Simmons, DPT
Mark Simmons, DPT is a Clinical Electrophysiology Physical Therapist in Hendersonville, TN, registered under NPI 1225411457. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
The practice address on file is 353 NEW SHACKLE ISLAND RD STE 142C, Hendersonville, TN 37075. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| CPO15837T | NC | Clinical Electrophysiology Physical… primary |
| 11407 | TN | Clinical Electrophysiology Physical… |
| PTH6577 | AL | Physical Therapist |
| PT010834 | GA | Physical Therapist |
Licences are recorded in 4 states: NC, TN, AL, GA. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.
- Status
- Approved
- Provider type
- Practitioner - Physical Therapist In Private Practice
- PAC ID
- 3678886322
Enrolled in Medicare 4 times, across 4 states:
| State | Enrollment ID | Provider type |
|---|---|---|
| Alabama | I20150723008786 | Practitioner - Physical Therapist In Private Practice |
| Georgia | I20150819006884 | Practitioner - Physical Therapist In Private Practice |
| Tennessee | I20170815003136 | Practitioner - Physical Therapist In Private Practice |
| North Carolina | I20241106002425 | Practitioner - Physical Therapist In Private Practice |
Medicare enrolment is recorded as approved under the provider type Practitioner - Physical Therapist In Private Practice. There are 4 separate enrolment records across 4 states (AL, GA, TN, NC). Multiple enrolments usually mean the provider bills Medicare from more than one practice location, or has kept an earlier enrolment after moving. Each record carries its own enrolment ID, listed above. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
Licensed in 4 states
This provider holds licences in 4 states: Alabama, Georgia, North Carolina and Tennessee. The practice address on file is in Hendersonville, TN, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.
- Licence
- CPO15837T
- Specialty
- Clinical Electrophysiology Physical…
- Licence
- 11407
- Specialty
- Clinical Electrophysiology Physical…
Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.
What Electrophysiology, Clinical covers
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Clinical Electrophysiologic Physical Therapy, who has demonstrated specialized knowledge and skill in electrophysiologic examinations and evaluations and encompasses both the professional and technical components of the observation, recording, analysis, and interpretation of bioelectric muscle and nerve potentials, detected by means of surface or needle electrodes, for the purpose of evaluating the integrity of the neuromuscular system. Electrophysiologic evaluations include, but are not limited to, electrodiagnostic testing, which includes clinical needle electromyography, motor and sensory nerve conduction studies, and other evoked potential procedures. NUCC Health Care Provider Taxonomy, code 2251E1300X
All registered taxonomy codes
This provider registers 4 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 2251E1300X | Clinical Electrophysiology Physical Therapist Electrophysiology, Clinical | CPO15837T | NC | primary |
| 2251E1300X | Clinical Electrophysiology Physical Therapist Electrophysiology, Clinical | 11407 | TN | |
| 225100000X | Physical Therapist | PTH6577 | AL | |
| 225100000X | Physical Therapist | PT010834 | GA |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1225411457 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jul 7, 2015 |
| Last updated | Mar 17, 2026 |
| Status | Active |
| Sole proprietor | No |
| Credential | DPT |
| Practice address |
353 NEW SHACKLE ISLAND RD STE 142C Hendersonville, TN 37075 (615) 826-4205 |
| Mailing address |
PO BOX 370 Fortson, GA 31808 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 2 | 2 | 5 | 4 | 1 | 1 | 4 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 2 | 4 | 5 | 8 | 1 | 2 | 4 | 1 |
Sum = 53 · next multiple of 10 = 60 · check digit = 7 · actual last digit = 7
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.