Nicholas Kyle Reetz , BCBA
Behavior Analyst β’ Chicago, IL
2400 N Sheffield Ave
Chicago, IL 606143936
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
2400 N Sheffield Ave
Chicago, IL 606143936
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 4 distinct additional practice-address records in Chicago, IL; Columbus, OH; Oakland, CA and 1 more. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Behavior Analyst: NPPES taxonomy is a reported classification, not proof of board certification.
NPI first issued
2015
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Chicago and Illinois
675 active clinicians are listed under Behavior Analyst with a practice address in Chicago, IL (3,085 in Illinois).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Chicago
0% of these 675 clinicians have the CMS telehealth indicator.
0% of these 675 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2026-04-28NUCC Taxonomy Code: 103K00000X
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 Taxonomy Code: 103K00000X
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 Taxonomy Code: 103K00000X
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.
Secondary Practice Locations
1233 W Adams St
Chicago, IL 606072801
Phone: 3122411204
1942 Embarcadero
Oakland, CA 946065213
Phone: 5108324383
2540 Billingsley Rd
Columbus, OH 432351990
Phone: 6144702018
18765 Sw Boones Ferry Rd Ste 100
Tualatin, OR 970628607
Phone: 5032335405
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Family Medicine
Doctor of Osteopathic Medicine (D.O.)
Occupational Therapist
Occupational Therapist
Physical Therapist
Doctor of Physical Therapy
Physical Therapist
Physical Therapist
Occupational Therapist
Occupational Therapist
Physical Therapist
Doctor of Physical Therapy
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 2400 N SHEFFIELD AVE, CHICAGO, IL 606143936 (Tel: 7733892202)
Registered at 2400 N SHEFFIELD AVE, CHICAGO, IL 606143936 (Tel: 7733892202)
Behavior Analyst
Case Manager/Care Coordinator
Registered at 1233 W ADAMS ST, CHICAGO, IL 606072801 (Tel: 3122411204)
Registered at 1622 S ALLPORT ST APT 1R, CHICAGO, IL 606082187 (Tel: 7152126103)
Behavior Analyst (license number reported to NPPES: OH COBA.00483)
Registered at 2540 BILLINGSLEY RD, COLUMBUS, OH 432351990 (Tel: 6144702018)
Registered at 2609 MEDARY AVE, COLUMBUS, OH 432022684 (Tel: 7152126103)
NPI status registered as active in NPPES database
Registered at 18765 SW BOONES FERRY RD STE 100, TUALATIN, OR 970628607 (Tel: 5032335405)
Registered at PO BOX 82819, PORTLAND, OR 972820819 (Tel: (503) 233-5405)
Recorded as NICHOLAS REETZ, BCBA
Behavior Analyst (license number reported to NPPES: None 1-13-14618)
NPI status registered as active in NPPES database
Registered at 1942 EMBARCADERO, OAKLAND, CA 946065213 (Tel: 5108324383)
Registered at 1942 EMBARCADERO, OAKLAND, CA 946065213 (Tel: 5108324383)
Recorded as NICHOLAS REETZ, BCBA
Behavior Analyst (license number reported to NPPES: None 1-13-14618)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
2400 N Sheffield Ave
Chicago, IL 606143936
Phone: 7733892202