Mary Zahller, M.D.
Mary Zahller, M.D. is a Neurology with Special Qualifications in Child Neurology Physician in San Diego, CA, registered under NPI 1841263514. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
The practice address on file is 34800 BOB WILSON DR NMCSD, ATTN: MEDICAL STAFF SERVICES, San Diego, CA 92134. 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 |
|---|---|---|
| G038894 | CA | Neurology with Special Qualifications in… primary |
This provider holds licence G038894 issued in CA. 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 Neurology with Special Qualifications in Child Neurology covers
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence. NUCC Health Care Provider Taxonomy, code 2084N0402X
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 | 1841263514 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Feb 10, 2006 |
| Last updated | Mar 17, 2009 |
| Status | Active |
| Sole proprietor | Yes |
| Credential | M.D. |
| Practice address |
34800 BOB WILSON DR NMCSD, ATTN: MEDICAL STAFF SERVICES San Diego, CA 92134 (619) 532-6896 |
| Mailing address |
10480 RUE RIVIERE VERTE San Diego, CA 92131 |
| Other identifiers |
165536
· Other (CA) |
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 | 8 | 4 | 1 | 2 | 6 | 3 | 5 | 1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 8 | 8 | 1 | 4 | 6 | 6 | 5 | 2 |
Sum = 66 · next multiple of 10 = 70 · check digit = 4 · actual last digit = 4
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.