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SONYA MASTERSON LCSW
NPI 1871996074
Social Worker - Clinical in Fairview Heights, IL

Active since October 01, 2014PECOS EnrolledAccepts Medicare Assignment
41 ANNEX CT, FAIRVIEW HEIGHTS, IL 62208(618) 420-3975 Get Directions Write a Review

NPPES record last updated: March 13, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Sonya Masterson Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SONYA MASTERSON LCSW (NPI 1871996074) is an individual clinical provider in Fairview Heights, Illinois, licensed in Illinois (149019125) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Belleville, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1871996074
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSONYA MASTERSONCredential: LCSW
Location Address41 ANNEX CTFairview Heights, IL 62208-1901
Mailing Address41 Annex CtFairview Heights, IL 62208-1901 · (618) 420-3975
Phone(618) 420-3975
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateOctober 1, 2014
Last NPPES UpdateMarch 13, 2024
NPPES CertifiedMarch 13, 2024
✔ NPI 1871996074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IL · 149019125
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
41 ANNEX CT, Fairview Heights, IL 62208
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Secondary Practice Location 1

Location 1101 S Belt WBelleville, IL 62220-2503 · Phone (618) 420-3975

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sonya Masterson Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547600058
PECOS Enrollment IDI20240501002310
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sonya Masterson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ultacare Medical PLLC
382 mi
Family Medicine
606 N BROAD ST
New Tazewell, TN 37825
  • Reassigned Medicare billing, Illinois enrollment
  • 10 clinicians in this Medicare group
NPI 1225141492 (423) 259-5002

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
43 services13 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
17 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62208 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $56.28 – $173.35
Typical copayment $0.00 (range $14.07 – $43.33)
Most-billed visit code NA
Established Patient
$70.42 typical visit price
range $17.51 – $139.99
Typical copayment $17.60 (range $4.37 – $34.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sonya Masterson's NPI number?

The NPI number for Sonya Masterson is 1871996074. It was assigned to this individual provider in the NPPES registry on October 1, 2014.

Where is Sonya Masterson located?

Sonya Masterson practices at 41 Annex Ct, Fairview Heights, IL 62208. The listed phone number is (618) 420-3975.

What is Sonya Masterson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Sonya Masterson enrolled in Medicare?

Yes. Sonya Masterson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sonya Masterson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonya Masterson reassigns Medicare benefits to Ultacare Medical PLLC (New Tazewell, TN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sonya Masterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sonya Masterson was last updated on March 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.