Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sonya Masterson, LCSW

Individual provider Mental Health Counselor · NPI 1871996074

Sonya Masterson, LCSW is a Clinical Social Worker in Fairview Heights, Illinois. Qualified in 2014, 12 years ago. Practices with Ultacare Medical PLLC, a 52-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
12
Licensed in
IL
In the registry since
2014
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

41 Annex Ct
Fairview Heights, IL 62208-1901
Phone: (618) 420-3975
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 101 S Belt W, Belleville, IL 62220-2503 — (618) 420-3975

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 149019125 (IL)
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1871996074
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 1, 2014
Last updated in NPPESMarch 13, 2024
Certification dateMarch 13, 2024
Mailing address41 Annex Ct, Fairview Heights, IL 62208-1901

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Ultacare Medical Pllc — 52 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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