Mary Katherine Sheffield, MD - Medicare Internal Medicine in Adams, MA

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Mary Katherine Sheffield, MD is a medicare enrolled "Internal Medicine" physician in Adams, Massachusetts. Her current practice location is 71 Hospital Avenue, Adams, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (413) 664-4088.

Mary Katherine Sheffield is licensed to practice in Massachusetts (license number 73013) 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 1437173465.

Contact Information

Mary Katherine Sheffield, MD
71 Hospital Avenue,
Adams, MA 01247
(413) 664-4088
(413) 663-6405

Map and Direction




Physician's Profile

Full NameMary Katherine Sheffield
GenderFemale
SpecialityInternal Medicine
Location71 Hospital Avenue, Adams, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1437173465
  • Provider Enumeration Date: 07/26/2006
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5395792790
  • Enrollment ID: I20050407000680

Medical Identifiers

Medical identifiers for Mary Katherine Sheffield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437173465NPI-NPPES
110048494AMedicaidMA
3075426MedicaidNH
1008181MedicaidVT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 11393 (New Hampshire)Secondary
207R00000XInternal Medicine 042-0012060 (Vermont)Secondary
207R00000XInternal Medicine 73013 (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. Mary Katherine Sheffield allows following entities to bill medicare on her behalf.
Entity NameCommunity Health Programs Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013953009
PECOS PAC ID: 5799746608
Enrollment ID: O20041025000193
Entity NameSound Physicians Of Massachusetts Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740678408
PECOS PAC ID: 2062554637
Enrollment ID: O20100120000133

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. Mary Katherine Sheffield 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
Mary Katherine Sheffield, MD
P.o. Box 30,
Great Barrington, MA 01230

Ph: (413) 528-9311		Mary Katherine Sheffield, MD
71 Hospital Avenue,
Adams, MA 01247

Ph: (413) 664-4088

Reviews and Comments


Internal Medicine Doctors in Adams, MA

Dr. James E Peterson, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 19 Depot St, Suite 1, Adams, MA 01220
Phone: 413-743-1080    Fax: 413-743-5306
Dr. Allen D Joslin, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 19 Depot St, Ste 1, Adams, MA 01220
Phone: 413-743-1080    Fax: 413-743-5306
Dr. Benjamin A Rudin, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 19 Depot St, Suite 1, Adams, MA 01220
Phone: 413-743-1080    Fax: 413-743-5306
Dr. Douglas N Karrel, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 19 Depot St, Suite 1, Adams, MA 01220
Phone: 413-743-1080    Fax: 413-743-5306
Dr. Chi Cheung, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 19 Depot St, Suite 1, Adams, MA 01220
Phone: 413-743-1080    Fax: 413-743-5306

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.