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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARILYN ANSEVIN AUSTIN PH.D.,LCSW-C, BCD
NPI 1356330872
Social Worker - Clinical in Olney, MD

Active since October 18, 2005Opted out of Medicare · through Jul 8, 2027
19345 OLNEY MILL RD, OLNEY, MD 20832(301) 570-9143 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Marilyn Ansevin Austin Ph.d.,lcsw-c, Bcd NPPES

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

DR. MARILYN ANSEVIN AUSTIN PH.D.,LCSW-C, BCD (NPI 1356330872) is an individual clinical provider in Olney, Maryland, licensed in Maryland (778) and active in the NPI registry since October 2005. She has opted out of Medicare through July 8, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1356330872
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDR. MARILYN ANSEVIN AUSTINCredential: PH.D.,LCSW-C, BCD
Location Address19345 OLNEY MILL RDOlney, MD 20832-1101
Mailing Address19345 Olney Mill RdOlney, MD 20832-1101 · (301) 570-9143
Phone(301) 570-9143
Sole ProprietorNo
Enumeration DateOctober 18, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1356330872 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 MD · 778
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.
19345 OLNEY MILL RD, Olney, MD 20832
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Dr. Marilyn Ansevin Austin Ph.d.,lcsw-c, Bcd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 8, 2015 through July 8, 2027.

Opt-Out Effective DateJuly 8, 2015
Opt-Out In Effect ThroughJuly 8, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20832 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 $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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 Marilyn Austin's NPI number?

The NPI number for Marilyn Austin is 1356330872. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Where is Marilyn Austin located?

Marilyn Austin practices at 19345 Olney Mill Rd, Olney, MD 20832. The listed phone number is (301) 570-9143.

What is Marilyn Austin's specialty?

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

Is Marilyn Austin enrolled in Medicare?

No. Marilyn Austin has opted out of Medicare through July 8, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Marilyn Austin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.