Sylvia Josephy, M.D., MSC
Sylvia Josephy, M.D., MSC is a Behavioral Neurology & Neuropsychiatry Physician in Cartago, CARTAGO, registered under NPI 1669823258.
Getting there
The practice address on file is DR. MAXIMILIANO PERALTA HOSPITAL, Cartago, CARTAGO 30101. 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 |
|---|---|---|
| 282808 | MA | Behavioral Neurology & Neuropsychiatry… primary |
This provider holds licence 282808 issued in MA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Behavioral Neurology & Neuropsychiatry covers
Behavioral Neurology & Neuropsychiatry is a medical subspecialty involving the diagnosis and treatment of neurologically based behavioral issues. NUCC Health Care Provider Taxonomy, code 2084B0040X
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 | 1669823258 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 25, 2016 |
| Last updated | Jun 19, 2023 |
| Status | Active |
| Sole proprietor | No |
| Credential | M.D., MSC |
| Practice address |
DR. MAXIMILIANO PERALTA HOSPITAL Cartago, CARTAGO 30101 (506) 255-0199 |
| Mailing address |
APARTADO 1181-2100 Guadalupe, SAN JOSE 10801 |
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 | 6 | 6 | 9 | 8 | 2 | 3 | 2 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 6 | 3 | 9 | 7 | 2 | 6 | 2 | 1 |
Sum = 62 · next multiple of 10 = 70 · check digit = 8 · actual last digit = 8
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.