Dennis Ryan, DPM
Dennis Ryan, DPM is a provider specialising in Podiatrist in Methuen, MA, registered under NPI 1154381085.
Getting there
The practice address on file is 386 MERRIMACK ST SUITE 1 B, Methuen, MA 01844. 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 |
|---|---|---|
| MA2138 | MA | Podiatrist primary |
This provider holds licence MA2138 issued in MA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - Podiatry
- PAC ID
- 7719996545
- Enrollment ID
- I20060406000182
Medicare enrolment is recorded as approved under the provider type Practitioner - Podiatry. 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.
What Podiatrist covers
A podiatrist is a person qualified by a Doctor of Podiatric Medicine (D.P.M.) degree, licensed by the state, and practicing within the scope of that license. Podiatrists diagnose and treat foot diseases and deformities. They perform medical, surgical and other operative procedures, prescribe corrective devices and prescribe and administer drugs and physical therapy. NUCC Health Care Provider Taxonomy, code 213E00000X
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 | 1154381085 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Mar 24, 2006 |
| Last updated | Jul 30, 2014 |
| Status | Active |
| Sole proprietor | No |
| Gender | Male |
| Credential | DPM |
| Practice address |
386 MERRIMACK ST SUITE 1 B Methuen, MA 01844 (978) 682-0382 Fax (978) 975-3585 |
| Other identifiers |
0020407
· Other 0316750 · Medicaid (MA) 03Y002648ma02 · Other 1002648 · Other 202669700 · Other 2041724 · Other 2700388 · Other 31171 · Other 333420 · Other 407458 · Other 446 · Other 49018 · Other 7167111 · Other 8167297 · Other 98171903 · Other Y71066 · Other |
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 | 1 | 5 | 4 | 3 | 8 | 1 | 0 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 1 | 1 | 4 | 6 | 8 | 2 | 0 | 7 |
Sum = 55 · next multiple of 10 = 60 · check digit = 5 · actual last digit = 5
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.