Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARGARET JEANNE SISK MSW LCSW C
NPI 1467497149
Social Worker - Clinical in Millersville, MD

Active since June 18, 2006PECOS Enrolled
1110 BENFIELD BLVD, H F, MILLERSVILLE, MD 21108(410) 987-3354(410) 987-4710 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Margaret Jeanne Sisk Msw Lcsw C NPPES

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

MARGARET JEANNE SISK MSW LCSW C (NPI 1467497149) is an individual clinical provider in Millersville, Maryland, licensed in Maryland (04322) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1966).

NPPES Registry Identity

NPI1467497149
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARGARET JEANNE SISKCredential: MSW LCSW C
Location Address1110 BENFIELD BLVD, H FMillersville, MD 21108-2540
Mailing AddressPo Box 609Grasonville, MD 21638-0609 · (410) 987-3354 · Fax (410) 987-4710
Fax(410) 987-4710
Sole ProprietorNo
Medical School CMSOtherGraduated 1966
Enumeration DateJune 18, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1467497149 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 · 04322
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.

1110 BENFIELD BLVD, Millersville, MD 21108

Other Identifiers 1

Other04322MD · Md Bd Of Soc Workers

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

Margaret Jeanne Sisk Msw Lcsw C 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 ID7517997653
PECOS Enrollment IDI20050817001053
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.

Areas of Expertise CMS Part B claims

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, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
457 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21108 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 $60.73 – $183.44
Typical copayment $0.00 (range $15.18 – $45.86)
Most-billed visit code NA
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
1110 BENFIELD BLVD, SUITE H
MILLERSVILLE, MD 21108
Clinical Neuropsychologist
1110 BENFIELD BLVD
MILLERSVILLE, MD 21108
Psychologist
1110 BENFIELD BLVD, SUITE H
MILLERSVILLE, MD 21108
Counselor (Mental Health)
1110 BENFIELD BLVD, SUITE J
MILLERSVILLE, MD 21108
Social Worker (Clinical)
1110 BENFIELD BLVD, SUITE H
MILLERSVILLE, MD 21108
Counselor (Professional)
1110 BENFIELD BLVD, SUITE J
MILLERSVILLE, MD 21108
Psychologist
1110 BENFIELD BLVD, STE H
MILLERSVILLE, MD 21108
Clinic/Center (Rehabilitation, Substance Use Disorder)
1110 BENFIELD BLVD, SUITE H
MILLERSVILLE, MD 21108

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 Margaret Sisk's NPI number?

The NPI number for Margaret Sisk is 1467497149. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Where is Margaret Sisk located?

Margaret Sisk practices at 1110 Benfield Blvd H F, Millersville, MD 21108. The listed phone number is (410) 987-3354.

What is Margaret Sisk's specialty?

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

Is Margaret Sisk enrolled in Medicare?

Yes. Margaret Sisk 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.

When was this NPI record last updated?

The NPPES record for Margaret Sisk was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.