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MR. BRIAN O. MASON LCSW, LMSW
NPI 1295920296
Social Worker - Clinical in Onsted, MI

Active since September 12, 2007PECOS EnrolledAccepts Medicare Assignment
214 PENTECOST HWY, ONSTED, MI 49265(815) 245-6834 Get Directions Write a Review

NPPES record last updated: June 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Brian O. Mason Lcsw, Lmsw NPPES

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

MR. BRIAN O. MASON LCSW, LMSW (NPI 1295920296) is an individual clinical provider in Onsted, Michigan, licensed in Illinois (149007751) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1994).

NPPES Registry Identity

NPI1295920296
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. BRIAN O. MASONCredential: LCSW, LMSW
Location Address214 PENTECOST HWYOnsted, MI 49265-9638
Mailing Address214 Pentecost HwyOnsted, MI 49265-9638 · (815) 245-6834
Phone(815) 245-6834
Sole ProprietorYes
Medical School CMSOtherGraduated 1994
Enumeration DateSeptember 12, 2007
Last NPPES UpdateJune 10, 2025
NPPES CertifiedJune 10, 2025
✔ NPI 1295920296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in IL · 149007751✔ Licensed in MI · 6801119163
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.
214 PENTECOST HWY, Onsted, MI 49265
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Other Identifiers 1

Other149007751IL · Licensed Clinical Social Worker

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, UnitedHealthcare.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

Mr. Brian O. Mason Lcsw, Lmsw 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 ID2163936956
PECOS Enrollment IDI20250703002145
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 49265 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 $54.34 – $166.68
Typical copayment $0.00 (range $13.58 – $41.67)
Most-billed visit code NA
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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 Brian Mason's NPI number?

The NPI number for Brian Mason is 1295920296. It was assigned to this individual provider in the NPPES registry on September 12, 2007.

Where is Brian Mason located?

Brian Mason practices at 214 Pentecost Hwy, Onsted, MI 49265. The listed phone number is (815) 245-6834.

What is Brian Mason's specialty?

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

Is Brian Mason enrolled in Medicare?

Yes. Brian 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 Brian Mason accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and UnitedHealthcare list Brian 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 Brian Mason was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.