Dr John Niedzwicki, MD - Medicare Hematology/oncology in Dartmouth, MA

Dr John Niedzwicki, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Dartmouth, Massachusetts. He went to George Washington University School Of Medicine and graduated in 1986 and has 38 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Steward Medical Group Inc and his current practice location is 535 Faunce Corner Rd, Dartmouth, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 996-3991.

Dr John Niedzwicki is licensed to practice in Massachusetts (license number 74834) 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 1306812367.

Contact Information

Dr John Niedzwicki, MD
535 Faunce Corner Rd,
Dartmouth, MA 02747-1242
(508) 996-3991
Not Available

Map and Direction




Physician's Profile

Full NameDr John Niedzwicki
GenderMale
SpecialityHematology/oncology
Experience38 Years
Location535 Faunce Corner Rd, Dartmouth, 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:
  • Dr John Niedzwicki attended and graduated from George Washington University School Of Medicine in 1986
  NPI Data:
  • NPI Number: 1306812367
  • Provider Enumeration Date: 02/28/2006
  • Last Update Date: 04/24/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3274572037
  • Enrollment ID: I20050502000006

Medical Identifiers

Medical identifiers for Dr John Niedzwicki such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306812367NPI-NPPES
3091112MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology 74834 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Morton HospitalTaunton, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Steward Medical Group Inc28606887281338

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 John Niedzwicki allows following entities to bill medicare on his behalf.
Entity NameSteward St. Annes Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932411493
PECOS PAC ID: 3678760493
Enrollment ID: O20101206001124
Entity NameSteward Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821349317
PECOS PAC ID: 2860688728
Enrollment ID: O20130626000396

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 John Niedzwicki 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 John Niedzwicki, MD
535 Faunce Corner Rd,
Dartmouth, MA 02747-1242

Ph: (508) 996-3991
Dr John Niedzwicki, MD
535 Faunce Corner Rd,
Dartmouth, MA 02747-1242

Ph: (508) 996-3991

Reviews and Comments


Internal Medicine Doctors in Dartmouth, MA

Jack A Howard, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 535 Faunce Corner Rd, Dartmouth, MA 02747
Phone: 508-996-3991    
Dr. Maria Pacheco Rumsey, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 535 Faunce Corner Rd, Dartmouth, MA 02747
Phone: 508-996-3991    
Hugo G Jauregui, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 531 Faunce Corner Rd, Dartmouth, MA 02747
Phone: 508-996-3991    
Thomas M Vallone, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 535 Faunce Corner Rd, Dartmouth, MA 02747
Phone: 508-996-3991    
Hanumara Ram Chowdri, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 535 Faunce Corner Rd, Dartmouth, MA 02747
Phone: 508-996-3991    
James Peter Tracey, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 535 Faunce Corner Rd, Dartmouth, MA 02747
Phone: 508-996-3991    

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.