Mary K Williams-feldman, CRNP - Medicare Nurse Practitioner in Easton, MD

Mary K Williams-feldman, CRNP is a medicare enrolled "Nurse Practitioner" in Easton, Maryland. She graduated from nursing school in 2012 and has 12 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Tidalhealth Physician Network, Inc. and her current practice location is 5 Martin Court, Easton, Maryland. You can reach out to her office (for appointments etc.) via phone at (410) 820-9823.

Mary K Williams-feldman is licensed to practice in Maryland (license number R178258) 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 1194117895.

Contact Information

Mary K Williams-feldman, CRNP
5 Martin Court,
Easton, MD 21601-4039
(410) 820-9823
(866) 606-6428

Map and Direction




Provider's Profile

Full NameMary K Williams-feldman
GenderFemale
SpecialityNurse Practitioner
Experience12 Years
Location5 Martin Court, Easton, Maryland
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:
  • Mary K Williams-feldman graduated from nursing school in 2012
  NPI Data:
  • NPI Number: 1194117895
  • Provider Enumeration Date: 03/04/2015
  • Last Update Date: 02/18/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 3870811995
  • Enrollment ID: I20230331001271

Medical Identifiers

Medical identifiers for Mary K Williams-feldman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194117895NPI-NPPES
651019100MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner R178258 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Umd Shore Medical Center At EastonEaston, MDHospital
Nanticoke Memorial HospitalSeaford, DEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Tidalhealth Physician Network, Inc.731590125375

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 K Williams-feldman allows following entities to bill medicare on her behalf.
Entity NameTidalhealth Physician Network, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467534636
PECOS PAC ID: 7315901253
Enrollment ID: O20041119000090

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 K Williams-feldman 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 K Williams-feldman, CRNP
5 Martin Court,
Easton, MD 21601-4039

Ph: (410) 820-9823
Mary K Williams-feldman, CRNP
5 Martin Court,
Easton, MD 21601-4039

Ph: (410) 820-9823

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.