Sofya Hadley
Behavior Analyst β’ Bothell, WA
19919 Bartlett Rd
Bothell, WA 980129645
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
19919 Bartlett Rd
Bothell, WA 980129645
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Palo Alto, CA. 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
2017
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 Bothell and Washington
113 active clinicians are listed under Behavior Analyst with a practice address in Bothell, WA (2,981 in Washington).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Bothell
0% of these 113 clinicians have the CMS telehealth indicator.
0% of these 113 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: 2026-03-26NUCC 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: 106S00000X
The behavior technician is a paraprofessional who practices under the close, ongoing supervision of a behavior analyst or assistant behavior analyst certified by the Behavior Analyst Certification Board and/or credentialed by a state (such as through licensure). The behavior technician is primarily responsible for the implementation of components of behavior-analytic treatment plans developed by the supervisor. That may include collecting data on treatment targets and conducting certain types of behavioral assessments (e.g., stimulus preference assessments). The behavior technician does not design treatment or assessment plans or procedures but provides services as assigned by the supervisor responsible for his or her work.
Secondary Practice Locations
3000 El Camino Real Bldg 4
Palo Alto, CA 943062100
Phone: 4086377762
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 19919 BARTLETT RD, BOTHELL, WA 980129645 (Tel: 6282507500)
Registered at 3000 EL CAMINO REAL BLDG 4, PALO ALTO, CA 943062100
Behavior Analyst (license number reported to NPPES: WA BA-61371565)
Registered at 228 HAMILTON AVE FL 3, PALO ALTO, CA 943012583 (Tel: 5039831125)
Registered at 228 HAMILTON AVE FL 3, PALO ALTO, CA 943012583
Behavior Analyst (license number reported to NPPES: OR 10216942)
Registered at 19919 BARTLETT RD, BOTHELL, WA 980129645 (Tel: 6282507500)
Registered at 29174 SW TOWN CENTER LOOP W STE 101, WILSONVILLE, OR 970709309 (Tel: 9712526155)
Recorded as SOFYA HADLEY
NPI status registered as active in NPPES database
Registered at 1369 N PACIFIC HWY STE 1369, WOODBURN, OR 970713617 (Tel: 9713387761)
Registered at 21600 OXNARD ST STE 1800, WOODLAND HILLS, CA 913677807 (Tel: 8183452345)
Recorded as SOFYA DYBAL
Behavior Technician (license number reported to NPPES: OR 10185344)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
3000 El Camino Real Bldg 4
Palo Alto, CA 943062100