Matthew S Horsfield, MD - Medicare Family Practice in Worcester, MA

Matthew S Horsfield, MD is a medicare enrolled "Family Medicine" physician in Worcester, Massachusetts. He went to University Of South Florida College Of Medicine and graduated in 1994 and has 30 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Reliant Medical Group Inc and his current practice location is 5 Neponset St, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 425-5566.

Matthew S Horsfield is licensed to practice in Massachusetts (license number 1015693) 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 1013998129.

Contact Information

Matthew S Horsfield, MD
5 Neponset St,
Worcester, MA 01606-2714
(508) 425-5566
(508) 365-6590

Map and Direction




Physician's Profile

Full NameMatthew S Horsfield
GenderMale
SpecialityFamily Practice
Experience30 Years
Location5 Neponset St, Worcester, 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:
  • Matthew S Horsfield attended and graduated from University Of South Florida College Of Medicine in 1994
  NPI Data:
  • NPI Number: 1013998129
  • Provider Enumeration Date: 11/07/2005
  • Last Update Date: 05/20/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6305807579
  • Enrollment ID: I20231023000820

Medical Identifiers

Medical identifiers for Matthew S Horsfield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013998129NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 1015693 (Massachusetts)Primary
207Q00000XFamily Medicine 18082 (South Carolina)Secondary
207Q00000XFamily Medicine 12242R (Louisiana)Secondary
207Q00000XFamily Medicine M5232 (Texas)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Vna Care NetworkWorcester, MAHome health agency
St Vincent HospitalWorcester, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Reliant Medical Group Inc5597755322546

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. Matthew S Horsfield allows following entities to bill medicare on his behalf.
Entity NameReliant Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720017528
PECOS PAC ID: 5597755322
Enrollment ID: O20040708000650

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. Matthew S Horsfield 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
Matthew S Horsfield, MD
5 Neponset St,
Worcester, MA 01606-2714

Ph: (508) 425-5566
Matthew S Horsfield, MD
5 Neponset St,
Worcester, MA 01606-2714

Ph: (508) 425-5566

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).

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.