Marion Wilhoite Werner, FNP-C - Medicare Nurse Practitioner in Chicago, IL

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Marion Wilhoite Werner, FNP-C is a medicare enrolled "Nurse Practitioner - Family" in Chicago, Illinois. She graduated from nursing school in 2013 and has 13 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Vanderbilt University Medical Center, Vanderbilt Health And Williamson Medical Center Clinics And Services, and her current practice location is 125 S Wacker Dr Ste 300, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (617) 505-1520.

Marion Wilhoite Werner is licensed to practice in Tennessee (license number 25255) 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 1689007031.

Contact Information

Marion Wilhoite Werner, FNP-C
125 S Wacker Dr Ste 300,
Chicago, IL 60606-4421
(617) 505-1520
(617) 928-8401

Map and Direction




Provider's Profile

Full NameMarion Wilhoite Werner
GenderFemale
SpecialityNurse Practitioner
Experience13 Years
Location125 S Wacker Dr Ste 300, Chicago, Illinois
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:
  • Marion Wilhoite Werner graduated from nursing school in 2013
  NPI Data:
  • NPI Number: 1689007031
  • Provider Enumeration Date: 08/20/2013
  • Last Update Date: 05/29/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 6507093242
  • Enrollment ID: I20240403002528

Medical Identifiers

Medical identifiers for Marion Wilhoite Werner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689007031NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 23513 (California)Secondary
363LF0000XNurse Practitioner - Family 209022067 (Illinois)Secondary
363LF0000XNurse Practitioner - Family 345788 (New York)Secondary
363LF0000XNurse Practitioner - Family 25255 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Vanderbilt University Medical CenterNashville, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Vanderbilt University Medical Center50920234163447
Vanderbilt Health And Williamson Medical Center Clinics And Services,771988826298

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. Marion Wilhoite Werner allows following entities to bill medicare on her behalf.
Entity NameVanderbilt Health And Williamson Medical Center Clinics And Services,
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225135551
PECOS PAC ID: 7719888262
Enrollment ID: O20040116000793
Entity NameVanderbilt University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104202761
PECOS PAC ID: 5092023416
Enrollment ID: O20151006000369

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. Marion Wilhoite Werner 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
Marion Wilhoite Werner, FNP-C
109 State St Ste 5,
Boston, MA 02109-2906

Ph: (617) 505-1520		Marion Wilhoite Werner, FNP-C
125 S Wacker Dr Ste 300,
Chicago, IL 60606-4421

Ph: (617) 505-1520

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.