Jenner Elizabeth Greil, ARNP - Medicare Nurse Practitioner in Portland, ME

Jenner Elizabeth Greil, ARNP is a medicare enrolled "Nurse Practitioner - Family" in Portland, Maine. She went to Yale University School Of Medicine and graduated in 2008 and has 16 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Martin's Point Health Care and her current practice location is 331 Veranda St, Portland, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 828-2402.

Jenner Elizabeth Greil is licensed to practice in Maine (license number CNP101013) 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 1871748772.

Contact Information

Jenner Elizabeth Greil, ARNP
331 Veranda St,
Portland, ME 04103-5545
(207) 828-2402
(207) 828-2425

Map and Direction




Provider's Profile

Full NameJenner Elizabeth Greil
GenderFemale
SpecialityNurse Practitioner
Experience16 Years
Location331 Veranda St, Portland, Maine
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:
  • Jenner Elizabeth Greil attended and graduated from Yale University School Of Medicine in 2008
  NPI Data:
  • NPI Number: 1871748772
  • Provider Enumeration Date: 11/20/2008
  • Last Update Date: 09/29/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 1355471392
  • Enrollment ID: I20100617000423

Medical Identifiers

Medical identifiers for Jenner Elizabeth Greil such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871748772NPI-NPPES
434645102MedicaidME

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family CNP101013 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Maine Medical CenterPortland, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Martin's Point Health Care599177663590

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. Jenner Elizabeth Greil allows following entities to bill medicare on her behalf.
Entity NameMartin's Point Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366474611
PECOS PAC ID: 5991776635
Enrollment ID: O20040804001702

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. Jenner Elizabeth Greil 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
Jenner Elizabeth Greil, ARNP
Po Box 9746,
Portland, ME 04104-5040

Ph: (207) 791-3888
Jenner Elizabeth Greil, ARNP
331 Veranda St,
Portland, ME 04103-5545

Ph: (207) 828-2402

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.