Marianne Jeanette Davies, APRN - Medicare Nurse Practitioner in New Haven, CT

Marianne Jeanette Davies, APRN is a medicare enrolled "Clinical Nurse Specialist - Medical-surgical" in New Haven, Connecticut. She graduated from nursing school in 1987 and has 37 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Yale University and her current practice location is 800 Howard Ave, Yale Physicians Building - 2nd Floor, New Haven, Connecticut. You can reach out to her office (for appointments etc.) via phone at (203) 785-4191.

Marianne Jeanette Davies is licensed to practice in Connecticut (license number 002166) 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 1285619353.

Contact Information

Marianne Jeanette Davies, APRN
800 Howard Ave, Yale Physicians Building - 2nd Floor,
New Haven, CT 06519-1369
(203) 785-4191
(203) 737-2617

Map and Direction




Provider's Profile

Full NameMarianne Jeanette Davies
GenderFemale
SpecialityNurse Practitioner
Experience37 Years
Location800 Howard Ave, New Haven, Connecticut
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:
  • Marianne Jeanette Davies graduated from nursing school in 1987
  NPI Data:
  • NPI Number: 1285619353
  • Provider Enumeration Date: 12/13/2005
  • Last Update Date: 06/26/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 0345432472
  • Enrollment ID: I20101007001269

Medical Identifiers

Medical identifiers for Marianne Jeanette Davies such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285619353NPI-NPPES
004208311MedicaidCT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
364SM0705XClinical Nurse Specialist - Medical-surgical 002166 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Yale-new Haven HospitalNew haven, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Yale University94360617362238

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. Marianne Jeanette Davies allows following entities to bill medicare on her behalf.
Entity NameYale University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205822236
PECOS PAC ID: 9436061736
Enrollment ID: O20031105000015

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. Marianne Jeanette Davies 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
Marianne Jeanette Davies, APRN
Po Box 9805, 300 George St 6th Floor,
New Haven, CT 06536-0805

Ph: () -
Marianne Jeanette Davies, APRN
800 Howard Ave, Yale Physicians Building - 2nd Floor,
New Haven, CT 06519-1369

Ph: (203) 785-4191

Reviews and Comments


Clinical Nurse Specialist Nurses in New Haven, CT

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Phone: 203-785-4629    Fax: 203-785-3588
Lawrence Scahill, APRN, PHD
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Practice Location: 800 Howard Ave, Yale Physicians Bldg, New Haven, CT 06520
Phone: 203-785-2140    

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.