Sonia Cohen, MD,PHD - Medicare Surgical Oncology in Boston, MA

Sonia Cohen, MD,PHD is a medicare enrolled "Surgery - Surgical Oncology" physician in Boston, Massachusetts. She went to Harvard Medical School and graduated in 2013 and has 11 years of diverse experience with area of expertise as Surgical Oncology. She is a member of the group practice Massachusetts General Physicians Organization Inc, The General Hospital Corporation and her current practice location is Massachusetts General Hospital, 55 Fruit St., Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 726-2800.

Sonia Cohen is licensed to practice in Massachusetts (license number 284433) 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 1033557756.

Contact Information

Sonia Cohen, MD,PHD
Massachusetts General Hospital, 55 Fruit St.,
Boston, MA 02114
(617) 726-2800
Not Available

Map and Direction




Physician's Profile

Full NameSonia Cohen
GenderFemale
SpecialitySurgical Oncology
Experience11 Years
LocationMassachusetts General Hospital, Boston, 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:
  • Sonia Cohen attended and graduated from Harvard Medical School in 2013
  NPI Data:
  • NPI Number: 1033557756
  • Provider Enumeration Date: 06/05/2013
  • Last Update Date: 09/03/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 6901034925
  • Enrollment ID: I20201104000867

Medical Identifiers

Medical identifiers for Sonia Cohen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033557756NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery L-255653 (Massachusetts)Secondary
208600000XSurgery 284433 (Massachusetts)Secondary
2086X0206XSurgery - Surgical Oncology 284433 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Partners Healthcare At Home - Home CareWaltham, MAHome health agency
Massachusetts General HospitalBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Massachusetts General Physicians Organization Inc24663658203049
The General Hospital Corporation65078038061048

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. Sonia Cohen allows following entities to bill medicare on her behalf.
Entity NameMassachusetts General Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801874573
PECOS PAC ID: 2466365820
Enrollment ID: O20031111000434
Entity NameThe General Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023049236
PECOS PAC ID: 6507803806
Enrollment ID: O20080313000351

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. Sonia Cohen 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
Sonia Cohen, MD,PHD
Massachusetts General Hospital, 55 Fruit St.,
Boston, MA 02114

Ph: (617) 726-2800
Sonia Cohen, MD,PHD
Massachusetts General Hospital, 55 Fruit St.,
Boston, MA 02114

Ph: (617) 726-2800

Reviews and Comments


Surgery Doctors in Boston, MA

Hugh G Auchincloss, M.D.
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Practice Location: Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114
Phone: 617-726-2000    
Nicole J Look-hong, MD, MSC
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Practice Location: Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114
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Vanessa Mercedes Welten, MD MPH
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Dr. Joanna Wolf Etra, M.D.
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Jennine Putnick, MD
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Phone: 617-632-9511    
Michael Tarnoff, M.D.
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Practice Location: 800 Washington St, Nemc Box 7105, Boston, MA 02111
Phone: 617-636-5000    

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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