Ms Elizabeth Ashley O'neil, CNP - Medicare Nurse Practitioner in Cambridge, MA

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Ms Elizabeth Ashley O'neil, CNP is a medicare enrolled "Nurse Practitioner - Family" in Cambridge, Massachusetts. Her current practice location is 36 White St, Cambridge, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 876-5519.

Ms Elizabeth Ashley O'neil is licensed to practice in Massachusetts (license number RN2290264) 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 1811416563.

Contact Information

Ms Elizabeth Ashley O'neil, CNP
36 White St,
Cambridge, MA 02140-1449
(617) 876-5519
Not Available

Map and Direction




Provider's Profile

Full NameMs Elizabeth Ashley O'neil
GenderFemale
SpecialityNurse Practitioner - Family
Location36 White St, Cambridge, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1811416563
  • Provider Enumeration Date: 09/13/2017
  • Last Update Date: 07/16/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4183982598
  • Enrollment ID: I20171212002541

Medical Identifiers

Medical identifiers for Ms Elizabeth Ashley O'neil such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811416563NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family RN2290264 (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. Ms Elizabeth Ashley O'neil allows following entities to bill medicare on her 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. Ms Elizabeth Ashley O'neil 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
Ms Elizabeth Ashley O'neil, CNP
366 Shrewsbury St,
Worcester, MA 01604-4647

Ph: (508) 595-2700		Ms Elizabeth Ashley O'neil, CNP
36 White St,
Cambridge, MA 02140-1449

Ph: (617) 876-5519

Reviews and Comments


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Phone: 617-871-3097    Fax: 617-871-3098

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.