Mallory C Hatfield, MD - Medicare Cardiovascular Disease (cardiology) in Hyannis, MA

Mallory C Hatfield, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Hyannis, Massachusetts. She went to State University Of Ny Upstate Medical University and graduated in 1991 and has 33 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). Her current practice location is 46 North St, Suite 6, Hyannis, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 778-4888.

Mallory C Hatfield is licensed to practice in Massachusetts (license number 82138) 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 1790737013.

Contact Information

Mallory C Hatfield, MD
46 North St, Suite 6,
Hyannis, MA 02601-3845
(508) 778-4888
(508) 778-4887

Map and Direction




Physician's Profile

Full NameMallory C Hatfield
GenderFemale
SpecialityCardiovascular Disease (cardiology)
Experience33 Years
Location46 North St, Hyannis, 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:
  • Mallory C Hatfield attended and graduated from State University Of Ny Upstate Medical University in 1991
  NPI Data:
  • NPI Number: 1790737013
  • Provider Enumeration Date: 05/16/2006
  • Last Update Date: 08/18/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 1153332531
  • Enrollment ID: I20060524000178

Medical Identifiers

Medical identifiers for Mallory C Hatfield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790737013NPI-NPPES
2272937OtherMAAETNA
2500635OtherMAUNITED HEALTH CARE
792597OtherMATUFTS HEALTH PLAN
0664672OtherMACIGNA
J19435OtherMABLUE SHIELD
060050660OtherMARR MEDICARE
300398OtherMAHARVARD PILGRIM HEALTH
3143945MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 82138 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Cape Cod HealthcareHyannis, MAHospital
Falmouth HospitalFalmouth, MAHospital

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. Mallory C Hatfield allows following entities to bill medicare on her behalf.
Entity NameHatfield Cardiology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396055497
PECOS PAC ID: 7719167261
Enrollment ID: O20110215001099

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. Mallory C Hatfield 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
Mallory C Hatfield, MD
46 North St, Suite 6,
Hyannis, MA 02601-3845

Ph: (508) 778-4888
Mallory C Hatfield, MD
46 North St, Suite 6,
Hyannis, MA 02601-3845

Ph: (508) 778-4888

Reviews and Comments


Internal Medicine Doctors in Hyannis, MA

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Dr. Natalie Ann Mariano, M.D.
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Phone: 508-771-3190    Fax: 508-771-0940

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.