Individual provider Active NPI

Alyssa Ann Fairchild, CPNP-PC

  • Pediatric Nurse Practitioner
  • O Fallon, MO
National Provider Identifier
1720610355
Registry record updated Jul 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
2016020031 Issued in MO
Practice address
300 Winding Woods Dr Ste 120
O Fallon, MO 63366-4772
Phone
(636) 978-7902
NPI assigned
Feb 11, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 31, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 2020004281 MO
Pediatric Nurse Practitioner 363LP0200X 2016020031 MO Primary

Addresses

Primary practice location

300 Winding Woods Dr Ste 120
O Fallon, MO 63366-4772

Mailing address

PO Box 776084
Chicago, IL 60677-6084
Phone (369) 787-9026

Other names 1

  • Alyssa Ann Faust Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210924002714 MO Practitioner - Nurse Practitioner 3971900416 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
2020004281MOMDPediatrics Physician
2016020031MOMDPediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Clinic East Communities Pediatrics CurrentSince Feb 27, 2023 Accepting new patients
SSM Cardinal Glennon Childrens Hospital Pediatrics CurrentSince Oct 1, 2021 Accepting new patients
SSM Cardinal Glennon Children'S Hospital Pediatrics CurrentSince Oct 1, 2021 Accepting new patients
Mercy Hospitals East Communities Past Accepting new patients
Tiger Pediatrics LLC Pediatrics PastSince Feb 27, 2023 Accepting new patients
Mercy Hospitals East Communities Past Accepting new patients

Locations

7344 Solutions Ctr
Chicago, IL 60677
Phone (314) 989-6189

16216 Baxter Rd
Ste 310
Chesterfield, MO 63017
Phone (636) 519-8899

1203 Smizer Mill Rd
Ste 108
Fenton, MO 63026
Phone (636) 717-1340

714 Gravois Rd
Ste 115
Fenton, MO 63026
Phone (636) 717-6775

637 Dunn Rd
Ste 102B
Hazelwood, MO 63042
Phone (314) 251-2095

2223 Technology Dr
Ste 10
O Fallon, MO 63368
Phone (636) 240-9896

300 Winding Woods Dr
Ste 120
O Fallon, MO 63366
Phone (636) 614-3280

1145 Corporate Lake Dr
Saint Louis, MO 63132
Phone (314) 989-6189

621 S New Ballas Rd
Ste 1001B
Saint Louis, MO 63141
Phone (314) 251-5660

7345 Watson Rd
Ste 103
Saint Louis, MO 63119
Phone (314) 633-8670

621 S New Ballas Rd
Ste 2003B
Saint Louis, MO 63141
Phone (314) 251-5811

621 S New Ballas Rd
Ste 4017B
Saint Louis, MO 63141
Phone (314) 872-9192

8860 Ladue Rd
Ste 100
Saint Louis, MO 63124
Phone (314) 802-3915

1465 S Grand Blvd
Saint Louis, MO 63104
Phone (314) 268-4070

13000 Butler Crest Dr
Saint Louis, MO 63128
Phone (314) 842-3535

4525 Mid Rivers Mall Dr
Ste 20
Saint Peters, MO 63376
Phone (636) 229-3393

1502 W Meyer Rd
Wentzville, MO 63385
Phone (636) 698-6200

16555 Manchester Rd
Ste 201
Wildwood, MO 63040
Phone (636) 458-0040

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1581379200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753920000000",
    "number": "1720610355",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776084",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776084",
            "telephone_number": "369-787-9026"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 WINDING WOODS DR STE 120",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633664772",
            "telephone_number": "636-978-7902"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FAIRCHILD",
        "first_name": "ALYSSA",
        "middle_name": "ANN",
        "credential": "CPNP-PC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-02-11",
        "last_updated": "2025-07-31",
        "certification_date": "2025-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MO",
            "license": "2020004281",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "MO",
            "license": "2016020031",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALYSSA",
            "last_name": "FAUST",
            "middle_name": "ANN",
            "credential": "CPNP-PC",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in O Fallon, MO

Sources for this page

Verify at the official NPI Registry.