Mark Jacob Longsjo, LICSW - Medicare Clinical Social Worker in Brockton, MA

Mark Jacob Longsjo, LICSW is a medicare enrolled "Social Worker - Clinical" provider in Brockton, Massachusetts. He graduated from medical school in 1994 and has 30 years of diverse experience with area of expertise as Clinical Social Worker. He is a member of the group practice Beth Israel Deaconess Hospital Plymouth Inc and his current practice location is Mclean Hospital Southeast Location, 940 Belmont Street, Brockton, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 894-8320.

Mark Jacob Longsjo is licensed to practice in Massachusetts (license number 1026908) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1013949809.

Contact Information

Mark Jacob Longsjo, LICSW
Mclean Hospital Southeast Location, 940 Belmont Street,
Brockton, MA 02301
(508) 894-8320
(508) 894-8334

Map and Direction




Healthcare Provider's Profile

Full NameMark Jacob Longsjo
GenderMale
SpecialityClinical Social Worker
Experience30 Years
LocationMclean Hospital Southeast Location, Brockton, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark Jacob Longsjo graduated from medical school in 1994
  NPI Data:
  • NPI Number: 1013949809
  • Provider Enumeration Date: 07/06/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 2163572454
  • Enrollment ID: I20090608000462

Medical Identifiers

Medical identifiers for Mark Jacob Longsjo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013949809NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical 1026908 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Beth Israel Deaconess Hospital PlymouthPlymouth, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Beth Israel Deaconess Hospital Plymouth Inc82249475366

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark Jacob Longsjo allows following entities to bill medicare on his behalf.
Entity NameBeth Israel Deaconess Hospital Plymouth Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760598700
PECOS PAC ID: 8224947536
Enrollment ID: O20050321000212

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark Jacob Longsjo is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark Jacob Longsjo, LICSW
115 Mill St,
Belmont, MA 02478-1041

Ph: (508) 894-8320
Mark Jacob Longsjo, LICSW
Mclean Hospital Southeast Location, 940 Belmont Street,
Brockton, MA 02301

Ph: (508) 894-8320

Reviews and Comments


Social Worker in Brockton, MA

Mrs. Trinette Stephenson Hall, LICSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
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Phone: 781-774-0273    
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Medicare: Not Enrolled in Medicare
Practice Location: 801 Pleasant St, Brockton, MA 02301
Phone: 508-586-5977    
Maryellen Mcgrath-howie, LICSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: Mclean Hospital Southeast Location, 940 Belmont Street, Brockton, MA 02301
Phone: 508-894-8325    
Laura Ann Uribe, LCSW
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Medicare: Medicare Enrolled
Practice Location: 231 Main St Fl 3, Brockton, MA 02301
Phone: 508-586-2660    
Ruth Zakarin, LICSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 9 Belmont St, Brockton, MA 02301
Phone: 508-583-6498    
Felipe Durand, LICSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 165 Quincy St, Brockton, MA 02302
Phone: 508-897-2100    Fax: 508-897-2135

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.