Alyssa Ann Fairchild, CPNP-PC - Medicare Nurse Practitioner in O Fallon, MO

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Alyssa Ann Fairchild, CPNP-PC is a medicare enrolled "Nurse Practitioner - Pediatrics" physician in O Fallon, Missouri. Her current practice location is 300 Winding Woods Dr Ste 120, O Fallon, Missouri. You can reach out to her office (for appointments etc.) via phone at (636) 978-7902.

Alyssa Ann Fairchild is licensed to practice in Missouri (license number 2016020031) 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 1720610355.

Contact Information

Alyssa Ann Fairchild, CPNP-PC
300 Winding Woods Dr Ste 120,
O Fallon, MO 63366-4772
(636) 978-7902
Not Available

Map and Direction




Physician's Profile

Full NameAlyssa Ann Fairchild
GenderFemale
SpecialityNurse Practitioner - Pediatrics
Location300 Winding Woods Dr Ste 120, O Fallon, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1720610355
  • Provider Enumeration Date: 02/11/2020
  • Last Update Date: 07/31/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3971900416
  • Enrollment ID: I20210924002714

Medical Identifiers

Medical identifiers for Alyssa Ann Fairchild such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720610355NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 2020004281 (Missouri)Secondary
363LP0200XNurse Practitioner - Pediatrics 2016020031 (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. Alyssa Ann Fairchild allows following entities to bill medicare on her behalf.
Entity NameSsm Cardinal Glennon Children's Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174577670
PECOS PAC ID: 7012828163
Enrollment ID: O20031231000604
Entity NameMercy Clinic East Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851335228
PECOS PAC ID: 7214827922
Enrollment ID: O20070521000006

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. Alyssa Ann Fairchild 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
Alyssa Ann Fairchild, CPNP-PC
Po Box 776084,
Chicago, IL 60677-6084

Ph: (369) 787-9026		Alyssa Ann Fairchild, CPNP-PC
300 Winding Woods Dr Ste 120,
O Fallon, MO 63366-4772

Ph: (636) 978-7902

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.