Madison Sherwood
Madison Sherwood is a provider specialising in Behavior Analyst in Chicago, IL, registered under NPI 1003461757. This provider registers 2 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
Here is what surrounds this office in Chicago, based on OpenStreetMap data collected Sep 19, 2026. Parking is available about 865 ft away. The nearest transit stop is 396 ft away, served by Delphia & Catalpa.
Getting here and what is nearby
Transit Delphia & Bryn Mawr 237 ft ~1 min
Transit Delphia & Bryn Mawr 333 ft ~2 min
Transit Delphia & Catalpa 396 ft ~2 min
Parking 560 ft ~3 min
8642 West Bryn Mawr Avenue, Chicago 60631
Parking 761 ft ~3 min
8700 West Bryn Mawr Avenue, Chicago 60631
Parking 865 ft ~4 min
8500 West Bryn Mawr Avenue, Chicago
Restaurant Navat Restaurant 901 ft ~4 min
5431 North East River Road, Chicago 60656
Mo-Su 11:00-01:00
Hotel Renaissance Chicago O'Hare Suites 0.21 mi ~5 min
8500 West Bryn Mawr Avenue, Chicago 60631
Hotel Holiday Inn Chicago O'Hare Area 0.36 mi ~8 min
5615 North Cumberland Avenue, Chicago 60631
Restaurant Plush Pup 0.37 mi ~8 min
5344 North Cumberland Avenue, Chicago 60656
Convenience 7-Eleven 0.38 mi ~8 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 1-22-61802 | IL | Behavior Analyst primary |
| 152.000265 | IL | Behavior Analyst |
| RBT-18-49702 | Behavior Technician |
This provider holds licence 1-22-61802 issued in IL. 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 Behavior Analyst covers
A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans. NUCC Health Care Provider Taxonomy, code 103K00000X
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 | |
|---|---|---|---|---|
| 103K00000X | Behavior Analyst | 1-22-61802 | IL | primary |
| 103K00000X | Behavior Analyst | 152.000265 | IL | |
| 106S00000X | Behavior Technician | RBT-18-49702 | — |
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 | 1003461757 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Aug 8, 2019 |
| Last updated | Jun 4, 2025 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Practice address |
8609 W BRYN MAWR AVE Chicago, IL 60631 (224) 529-3555 Fax (224) 529-3555 |
| Mailing address |
24402 W LOCKPORT ST STE 124 Plainfield, IL 60544 |
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 | 0 | 0 | 3 | 4 | 6 | 1 | 7 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 8 | 6 | 2 | 7 | 1 |
Sum = 53 · next multiple of 10 = 60 · check digit = 7 · actual last digit = 7
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.