Ms Margaret A Wallace, FNP - Medicare Nurse Practitioner in Creve Coeur, MO

Ms Margaret A Wallace, FNP is a medicare enrolled "Clinical Nurse Specialist" in Creve Coeur, Missouri. She graduated from nursing school in 1976 and has 48 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Washington University and her current practice location is 1044 N Mason Rd, Dept Otolaryngology, Ste L20, Creve Coeur, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 362-7509.

Ms Margaret A Wallace is licensed to practice in Missouri (license number 073145) 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 1689691115.

Contact Information

Ms Margaret A Wallace, FNP
1044 N Mason Rd, Dept Otolaryngology, Ste L20,
Creve Coeur, MO 63141-6431
(314) 362-7509
(314) 362-7522

Map and Direction




Provider's Profile

Full NameMs Margaret A Wallace
GenderFemale
SpecialityNurse Practitioner
Experience48 Years
Location1044 N Mason Rd, Creve Coeur, Missouri
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:
  • Ms Margaret A Wallace graduated from nursing school in 1976
  NPI Data:
  • NPI Number: 1689691115
  • Provider Enumeration Date: 07/17/2006
  • Last Update Date: 04/25/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9739216862
  • Enrollment ID: I20100422000184

Medical Identifiers

Medical identifiers for Ms Margaret A Wallace such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689691115NPI-NPPES
425371408MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
364S00000XClinical Nurse Specialist 073145 (Missouri)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Washington University98300087702516

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 Margaret A Wallace allows following entities to bill medicare on her behalf.
Entity NameWashington University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356381842
PECOS PAC ID: 9830008770
Enrollment ID: O20041013000030

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 Margaret A Wallace 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 Margaret A Wallace, FNP
Po Box 60352,
Saint Louis, MO 63160-0352

Ph: (314) 362-7509
Ms Margaret A Wallace, FNP
1044 N Mason Rd, Dept Otolaryngology, Ste L20,
Creve Coeur, MO 63141-6431

Ph: (314) 362-7509

Reviews and Comments


Clinical Nurse Specialist Nurses in Creve Coeur, MO

Misrak Gebissa,
Clinical Nurse Specialist
Medicare: Accepting Medicare Assignments
Practice Location: 9 Sackston Woods Ln, Creve Coeur, MO 63141
Phone: 877-748-7030    

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.