Marcela Horvitz-lennon, MD - Medicare Psychiatry in Somerville, MA

Marcela Horvitz-lennon, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Somerville, Massachusetts. She graduated from medical school in 1987 and has 37 years of diverse experience with area of expertise as Psychiatry. She is a member of the group practice Cambridge Public Health Commission and her current practice location is 26 Central Street, Suite 1135-e, Somerville, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 591-6300.

Marcela Horvitz-lennon is licensed to practice in Massachusetts (license number 153879) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1528189073.

Contact Information

Marcela Horvitz-lennon, MD
26 Central Street, Suite 1135-e,
Somerville, MA 02145
(617) 591-6300
Not Available

Map and Direction




Physician's Profile

Full NameMarcela Horvitz-lennon
GenderFemale
SpecialityPsychiatry
Experience37 Years
Location26 Central Street, Somerville, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Marcela Horvitz-lennon graduated from medical school in 1987
  NPI Data:
  • NPI Number: 1528189073
  • Provider Enumeration Date: 04/03/2007
  • Last Update Date: 08/20/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 9335186147
  • Enrollment ID: I20160210001772

Medical Identifiers

Medical identifiers for Marcela Horvitz-lennon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528189073NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology MD425424 (Pennsylvania)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry 153879 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Cambridge Health AllianceCambridge, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cambridge Public Health Commission8921910894536

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. Marcela Horvitz-lennon allows following entities to bill medicare on her behalf.
Entity NameCambridge Public Health Commission
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487603585
PECOS PAC ID: 8921910894
Enrollment ID: O20040121000364

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. Marcela Horvitz-lennon 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
Marcela Horvitz-lennon, MD
26 Central St, Forbes Tower, Suite 9055,
Somerville, MA 02143-2827

Ph: (412) 647-3087
Marcela Horvitz-lennon, MD
26 Central Street, Suite 1135-e,
Somerville, MA 02145

Ph: (617) 591-6300

Reviews and Comments


Psychiatry & Neurology Doctors in Somerville, MA

Theodore Peter Wasik, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 61 Roseland St Ste 8, Somerville, MA 02143
Phone: 617-470-1805    Fax: 617-714-5383
Judith L Herman, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 26 Central St, Somerville, MA 02143
Phone: 617-591-6114    
Robert T Dunn, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 26 Central St, Somerville, MA 02143
Phone: 617-591-6124    
Dr. Amanda J Gruber, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 41 Russell St, Somerville, MA 02144
Phone: 617-832-5800    
John H Lloyd, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 175 Elm St, Suite C4, Somerville, MA 02144
Phone: 617-413-1486    
Claudia Epelbaum,
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 26 Central St, Somerville, MA 02143
Phone: 617-591-6300    
Peter Daniolos, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 26 Central St, Somerville, MA 02143
Phone: 617-665-3220    

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).

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