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MARK JACOB LONGSJO LICSW
NPI 1013949809
Social Worker - Clinical in Brockton, MA

Active since July 06, 2006PECOS Enrolled
MCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREET, BROCKTON, MA 02301(508) 894-8320(508) 894-8334 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark Jacob Longsjo Licsw NPPES

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

MARK JACOB LONGSJO LICSW (NPI 1013949809) is an individual clinical provider in Brockton, Massachusetts, licensed in Massachusetts (1026908) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013949809
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARK JACOB LONGSJOCredential: LICSW
Location AddressMCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREETBrockton, MA 02301
Mailing Address115 Mill StBelmont, MA 02478-1041 · (508) 894-8320 · Fax (508) 894-8334
Phone(508) 894-8320
Fax(508) 894-8334
Sole ProprietorYes
Enumeration DateJuly 6, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1013949809 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 MA · 1026908
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.
MCLEAN HOSPITAL SOUTHEAST LOCATION, Brockton, MA 02301
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Jacob Longsjo Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 02301 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 $58.86 – $177.36
Typical copayment $0.00 (range $14.71 – $44.34)
Most-billed visit code NA
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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 7

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

MARYELLEN MCGRATH-HOWIE LICSW
Social Worker (Clinical)
MCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREET
BROCKTON, MA 02301
Plymouth County (508) 894-8325
KATHERINE I LINSCOTT LICSW
Social Worker (Clinical)
MCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREET
BROCKTON, MA 02301
Plymouth County (508) 894-8339
JOAN STACK KOVACH APRN, BC
Clinical Nurse Specialist
MCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREET
BROCKTON, MA 02301
Plymouth County (508) 894-8316
MRS. JILL ANN MARCIELLO LICSW
Social Worker (Clinical)
MCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREET
BROCKTON, MA 02301
Plymouth County (508) 894-8339
RICHARD JON CURCURU LICSW
Social Worker (Clinical)
MCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREET
BROCKTON, MA 02301
Plymouth County (508) 894-8311
JOHN J KNOX LICSW
Social Worker (Clinical)
MCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREET
BROCKTON, MA 02301
Plymouth County (508) 894-8313
KAREN K WEEKS LICSW
Social Worker (Clinical)
MCLEAN HOSPITAL SOUTHEAST LOCATION, 940 BELMONT STREET
BROCKTON, MA 02301
Plymouth County (508) 894-8312

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 Mark Longsjo's NPI number?

The NPI number for Mark Longsjo is 1013949809. It was assigned to this individual provider in the NPPES registry on July 6, 2006.

Where is Mark Longsjo located?

Mark Longsjo practices at Mclean Hospital Southeast Location 940 Belmont Street, Brockton, MA 02301. The listed phone number is (508) 894-8320.

What is Mark Longsjo's specialty?

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

Is Mark Longsjo enrolled in Medicare?

Yes. Mark Longsjo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Longsjo was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.