1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Social Worker
  6. NPI Profile

MS. JONNA MASON LCSW
NPI 1851381149
Social Worker - Clinical in Saint Louis, MO

Active since October 27, 2005PECOS EnrolledAccepts Medicare Assignment
3 THE PINES CT STE 3, SAINT LOUIS, MO 63141(314) 537-5033 Get Directions Write a Review

NPPES record last updated: November 1, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Jonna Mason Lcsw NPPES

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

MS. JONNA MASON LCSW (NPI 1851381149) is an individual clinical provider in Saint Louis, Missouri, licensed in Missouri (001520) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1851381149
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. JONNA MASONCredential: LCSW
Location Address3 THE PINES CT STE 3Saint Louis, MO 63141-6081
Mailing Address724 Spring Hill Farm DrBallwin, MO 63021-8419 · (636) 225-3373 · Fax (636) 225-0614
Phone(314) 537-5033
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateOctober 27, 2005
Last NPPES UpdateNovember 1, 2021
NPPES CertifiedNovember 1, 2021
✔ NPI 1851381149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MO · 001520
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.
3 THE PINES CT STE 3, Saint Louis, MO 63141
Open in Google Maps ↗

Other Identifiers 1

Medicaid000078735MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Oscar Insurance Company, Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Jonna Mason 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 ID4587798111
PECOS Enrollment IDI20100817001494
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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 $55.65 – $169.38
Typical copayment $0.00 (range $13.91 – $42.34)
Most-billed visit code NA
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
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 Jonna Mason's NPI number?

The NPI number for Jonna Mason is 1851381149. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is Jonna Mason located?

Jonna Mason practices at 3 The Pines Ct Ste 3, Saint Louis, MO 63141. The listed phone number is (314) 537-5033.

What is Jonna Mason's specialty?

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

Is Jonna Mason enrolled in Medicare?

Yes. Jonna Mason 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.

What insurance does Jonna Mason accept?

Health plans from Medica, Oscar Insurance Company, Providence Health Plan and UnitedHealthcare list Jonna Mason as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jonna Mason was last updated on November 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.