Dr Marcia Christine Willing, MD - Medicare Medical Genetics in Saint Louis, MO

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Dr Marcia Christine Willing, MD is a medicare enrolled "Medical Genetics - Clinical Genetics (m.d.)" physician in Saint Louis, Missouri. Her current practice location is 1 Childrens Pl, Div Ped Genetics & Genomic Med, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 454-6093.

Dr Marcia Christine Willing is licensed to practice in Missouri (license number 2009028907) 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 1457347577.

Contact Information

Dr Marcia Christine Willing, MD
1 Childrens Pl, Div Ped Genetics & Genomic Med,
Saint Louis, MO 63110-1002
(314) 454-6093
(314) 454-2075

Map and Direction




Physician's Profile

Full NameDr Marcia Christine Willing
GenderFemale
SpecialityMedical Genetics - Clinical Genetics (m.d.)
Location1 Childrens Pl, Saint Louis, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1457347577
  • Provider Enumeration Date: 09/23/2005
  • Last Update Date: 11/15/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2466599014
  • Enrollment ID: I20091030000127

Medical Identifiers

Medical identifiers for Dr Marcia Christine Willing such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457347577NPI-NPPES
209446905MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 2009028907 (Missouri)Secondary
207SG0201XMedical Genetics - Clinical Genetics (m.d.) 2009028907 (Missouri)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. Dr Marcia Christine Willing allows following entities to bill medicare on her behalf.
Entity NameWashington University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194765685
PECOS PAC ID: 9830008770
Enrollment ID: O20040607000287

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. Dr Marcia Christine Willing 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
Dr Marcia Christine Willing, MD
1 Childrens Pl, Msc 8515-87-1200,
Saint Louis, MO 63110-1002

Ph: (314) 454-6093		Dr Marcia Christine Willing, MD
1 Childrens Pl, Div Ped Genetics & Genomic Med,
Saint Louis, MO 63110-1002

Ph: (314) 454-6093

Reviews and Comments



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.