Charles Cassidy, MD - Medicare Hand Surgery in Boston, MA

Charles Cassidy, MD is a medicare enrolled "Orthopaedic Surgery - Hand Surgery" physician in Boston, Massachusetts. He went to Northwestern University Feinberg Medical School and graduated in 1987 and has 37 years of diverse experience with area of expertise as Hand Surgery. He is a member of the group practice Pratt Orthopaedic Associates Inc and his current practice location is 800 Washington St, Box 26, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 636-5150.

Charles Cassidy is licensed to practice in Massachusetts (license number 77697) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1053351585.

Contact Information

Charles Cassidy, MD
800 Washington St, Box 26,
Boston, MA 02111-1552
(617) 636-5150
Not Available

Map and Direction




Physician's Profile

Full NameCharles Cassidy
GenderMale
SpecialityHand Surgery
Experience37 Years
Location800 Washington St, Boston, Massachusetts
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Charles Cassidy attended and graduated from Northwestern University Feinberg Medical School in 1987
  NPI Data:
  • NPI Number: 1053351585
  • Provider Enumeration Date: 06/06/2006
  • Last Update Date: 03/24/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6507809852
  • Enrollment ID: I20050607001016

Medical Identifiers

Medical identifiers for Charles Cassidy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053351585NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207XS0106XOrthopaedic Surgery - Hand Surgery 77697 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tufts Medical CenterBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pratt Orthopaedic Associates Inc761829543721

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. Charles Cassidy allows following entities to bill medicare on his behalf.
Entity NamePratt Orthopaedic Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528107380
PECOS PAC ID: 7618295437
Enrollment ID: O20150407001877

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. Charles Cassidy 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
Charles Cassidy, MD
15 Valley Rd,
Natick, MA 01760-3414

Ph: (617) 636-5150
Charles Cassidy, MD
800 Washington St, Box 26,
Boston, MA 02111-1552

Ph: (617) 636-5150

Reviews and Comments


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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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