Brian Lengfelder, LCPC, CAADC, SAP
Brian Lengfelder, LCPC, CAADC, SAP is a Professional Counselor in Glen Ellyn, IL, registered under NPI 1295032381. This provider registers 3 separate taxonomy codes, which usually means they practise across more than one recognised specialty. 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 800 ROOSEVELT RD STE 322, Glen Ellyn, IL 60137. 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 |
|---|---|---|
| 180006936 | IL | Professional Counselor primary |
| 180006936 | IL | Addiction (Substance Use Disorder)… |
| 180006936 | IL | Mental Health Counselor |
This provider holds licence 180006936 issued in IL. 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 - Mental Health Counselor
- PAC ID
- 4284072778
Medicare enrolment is recorded as approved under the provider type Practitioner - Mental Health Counselor. This means the provider is enrolled to bill Medicare, though it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Professional covers
Definition to come... NUCC Health Care Provider Taxonomy, code 101YP2500X
All registered taxonomy codes
This provider registers 3 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 101YP2500X | Professional Counselor Professional | 180006936 | IL | primary |
| 101YA0400X | Addiction (Substance Use Disorder) Counselor Addiction (Substance Use Disorder) | 180006936 | IL | |
| 101YM0800X | Mental Health Counselor Mental Health | 180006936 | IL |
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 | 1295032381 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Feb 25, 2011 |
| Last updated | Jun 16, 2018 |
| Status | Active |
| Sole proprietor | Yes |
| Credential | LCPC, CAADC, SAP |
| Practice address |
800 ROOSEVELT RD STE 322 Glen Ellyn, IL 60137 (630) 740-7535 Fax (630) 480-2913 |
| Mailing address |
161 GOLFVIEW DR Glendale Heights, IL 60139 |
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 | 9 | 5 | 0 | 3 | 2 | 3 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 2 | 9 | 5 | 0 | 3 | 4 | 3 | 7 |
Sum = 59 · next multiple of 10 = 60 · check digit = 1 · actual last digit = 1
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.