William Brandon Klein , MED, BCBA, LABA
Behavior Analyst β’ Tupelo, MS
302 S Spring St
Tupelo, MS 388044822
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
302 S Spring St
Tupelo, MS 388044822
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Behavior Analyst: NPPES taxonomy is a reported classification, not proof of board certification.
NPI first issued
2014
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 Tupelo and Mississippi
16 active clinicians are listed under Behavior Analyst with a practice address in Tupelo, MS (196 in Mississippi).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Tupelo
0% of these 16 clinicians have the CMS telehealth indicator.
0% of these 16 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: 2026-07-28NUCC 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: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
NUCC Taxonomy Code: 183700000X
A person who works under the direct supervision of a licensed pharmacist and performs many pharmacy-related functions that do not require the professional judgment of a pharmacist.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner - Psychiatric/Mental Health
Psychiatric-Mental Health Nurse Practitioner (Board Certified)
Nurse Practitioner - Psychiatric/Mental Health
Nurse Practitioner
Nurse Practitioner
Psychiatric-Mental Health Nurse Practitioner
Psychiatry & Neurology - Psychiatry
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 302 S SPRING ST, TUPELO, MS 388044822 (Tel: 6622050098)
Registered at PO BOX 68, TUPELO, MS 388020068 (Tel: 6622050098)
Physician Assistant
Registered at 143C WILLOWBROOK DR, SALTILLO, MS 388666896 (Tel: 6622050098)
Registered at 143C WILLOWBROOK DR, SALTILLO, MS 388666896 (Tel: 6622050098)
Pharmacy Technician
Registered at 350 FAIRWAY DR STE 101, DEERFIELD BEACH, FL 334411834 (Tel: 8774182978)
Registered at 350 FAIRWAY DR STE 101, DEERFIELD BEACH, FL 334411834 (Tel: 8774182978)
Behavior Analyst
Registered at 4620 N STATE ROAD 7 STE 300, LAUDERDALE LAKES, FL 333195867 (Tel: 5613355681)
Registered at 155 MAIN DUNSTABLE RD STE 150, NASHUA, NH 030603640 (Tel: 3059626160)
Registered at 560 VILLAGE BLVD STE 100, WEST PALM BEACH, FL 334091963 (Tel: 5613355681)
Recorded as WILLIAM KLEIN, M.ED., BCBA, LABA
Registered at 16130 SHERMAN WAY, VAN NUYS, CA 914063907 (Tel: 8182858252)
Registered at 16130 SHERMAN WAY, VAN NUYS, CA 914063907 (Tel: 8182858252)
Behavior Analyst (license number reported to NPPES: MA 3338)
Registered at 7108 S KANNER HWY, STUART, FL 349977462 (Tel: 8558326727)
Registered at 7108 S KANNER HWY, STUART, FL 349977462
Community Health Worker
Registered at 824 S LAKE DR, LANTANA, FL 334624626 (Tel: 5615232011)
Registered at 2030 S OCEAN DR APT 1719, HALLANDALE BEACH, FL 330096614 (Tel: 3059626160)
Recorded as WILLIAM KLEIN, M.ED., BCBA
Registered at 809 PATRICK ST, KISSIMMEE, FL 34741 (Tel: (321) 401-7026)
Registered at 3708 CONWAY RD, ORLANDO, FL 328127608 (Tel: 3214017026)
Recorded as WILLIAM KLEIN CILAURO, M.ED., BCBA
NPI status registered as active in NPPES database
Registered at 809 PATRICK ST, KISSIMMEE, FL 347415639 (Tel: (321) 401-7026)
Registered at 809 PATRICK ST, KISSIMMEE, FL 347415639 (Tel: (321) 401-7026)
Recorded as WILLIAM KLEIN, M.ED., BCBA
Behavior Analyst (license number reported to NPPES: None 1-16-23320)
Registered at 4575 EMERSON PARK DR, APT 114, ORLANDO, FL 328396080 (Tel: 3214017026)
Registered at 4575 EMERSON PARK DR, APT 114, ORLANDO, FL 328396080 (Tel: 3214017026)
NPI status registered as active in NPPES database
Registered at 5575 S SEMORAN BLVD, SUITE 24, ORLANDO, FL 328221747 (Tel: 3214005254)
Registered at 5575 S SEMORAN BLVD, SUITE 24, ORLANDO, FL 328221747 (Tel: 3214005254)
Recorded as WILLIAM KLEIN, M.ED., BCBA
Behavior Analyst (license number reported to NPPES: None 1-16-23320)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
Po Box 68
Tupelo, MS 388020068
Phone: 6622050098