FRANK M. TAN MD & JULIA K. LAM MD, A MEDICAL CORP.
FRANK M. TAN MD & JULIA K. LAM MD, A MEDICAL CORP. is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1164614699, based in Los Angeles, CA. The organization lists 2 taxonomy classifications, with Child & Adolescent Psychiatry Physician recorded as primary.
Getting there
The practice address on file is 1823 SAWTELLE BLVD SUITE 1, Los Angeles, CA 90025. 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 |
|---|---|---|
| G31393 | CA | Child & Adolescent Psychiatry Physician primary |
| G31393 | CA | Addiction Psychiatry Physician |
This provider holds licence G31393 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 Child & Adolescent Psychiatry covers
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence. NUCC Health Care Provider Taxonomy, code 2084P0804X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 2084P0804X | Child & Adolescent Psychiatry Physician Child & Adolescent Psychiatry | G31393 | CA | primary |
| 2084P0802X | Addiction Psychiatry Physician Addiction Psychiatry | G31393 | CA |
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-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1164614699 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Aug 17, 2007 |
| Last updated | Aug 17, 2007 |
| Status | Active |
| Practice address |
1823 SAWTELLE BLVD SUITE 1 Los Angeles, CA 90025 (310) 826-3180 Fax (310) 454-6422 |
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 | 6 | 4 | 6 | 1 | 4 | 6 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 1 | 3 | 4 | 3 | 1 | 8 | 6 | 9 |
Sum = 61 · next multiple of 10 = 70 · check digit = 9 · actual last digit = 9
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.