Dr Tamsin A Knox, MD - Medicare Internal Medicine in Norwell, MA

Dr Tamsin A Knox, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Norwell, Massachusetts. Her current practice location is 143 Longwater Dr, Norwell, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 878-5200.

Dr Tamsin A Knox is licensed to practice in Massachusetts (license number 57626) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1316907652.

Contact Information

Dr Tamsin A Knox, MD
143 Longwater Dr,
Norwell, MA 02061-1683
(781) 878-5200
(781) 878-6750

Map and Direction




Physician's Profile

Full NameDr Tamsin A Knox
GenderFemale
SpecialityInternal Medicine - Gastroenterology
Location143 Longwater Dr, Norwell, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1316907652
  • Provider Enumeration Date: 03/23/2006
  • Last Update Date: 03/17/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 3274545546
  • Enrollment ID: I20060705000149

Medical Identifiers

Medical identifiers for Dr Tamsin A Knox such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316907652NPI-NPPES
042297845OtherMAUNICARE GIC
711614OtherTUFTS HEALTH CARE
042297845OtherHCVM/FIRST HEALTH/COVENTRY
1316907652OtherMANEIGHBORHOOD HEALTH PLAN
14915OtherMAFALLON
4208766OtherMAAETNA
4139338OtherMACIGNA
711614OtherMATUFTS
042297845OtherMAPHCS
3049710MedicaidMA
711614OtherTUFTS MEDICARE PREFERRED
042297845OtherTRICARE
042297845OtherMAUNITED HEALTH CARE
AA13060OtherMAHARVARD PILGRIM
SS0034OtherMABCBSMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 57626 (Massachusetts)Primary

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. Dr Tamsin A Knox allows following entities to bill medicare on her behalf.
Entity NameAtrius Health Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740238526
PECOS PAC ID: 4789588641
Enrollment ID: O20031121000582
Entity NameSouth Shore Medical Center, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669411856
PECOS PAC ID: 3678487444
Enrollment ID: O20040413000332

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. Dr Tamsin A Knox 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
Dr Tamsin A Knox, MD
143 Longwater Dr,
Norwell, MA 02061-1683

Ph: (781) 878-5200
Dr Tamsin A Knox, MD
143 Longwater Dr,
Norwell, MA 02061-1683

Ph: (781) 878-5200

Reviews and Comments

Internal Medicine Doctors in Norwell, MA

James E. Tate, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 143 Longwater Drive, Norwell, MA 02061
Phone: 781-878-5200    
Dr. Erin Morrissette Ney, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 10 Lot Phillips Ln, Norwell, MA 02061
Phone: 215-983-5224    
Dr. David Chiang, M.D
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 143 Longwater Dr, Norwell, MA 02061
Phone: 781-878-5200    
Dr. Karen Choong,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 143 Longwater Dr, Norwell, MA 02061
Phone: 781-878-5200    
Karin A Sloan, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 143 Longwater Dr, Norwell, MA 02061
Phone: 781-878-5200    
Dr. Edward W Nalband, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 143 Longwater Dr, Norwell, MA 02061
Phone: 781-878-5200    Fax: 781-871-2940

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.