Kristen Lynn Main, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

2016013313 Issued in MO

Practice address

2121 Barrett Station Rd
Saint Louis, MO 63131-1606

Phone

(314) 394-1923

NPI assigned

Sep 26, 2016

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Specialty

Nurse Practitioner

Education

Saint Louis University School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Signature Medical Group IncGroup PAC ID 4880598291, 40 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital South Hospital, Saint Louis, MO, CCN 260077
• SSM Health Rehabilitation Hospital Inpatient rehabilitation facility, Richmond Heights, MO, CCN 263031

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Signature Medical Group, Inc

  • Orthopaedic Surgery Physician
  • Saint Louis, MO
  • NPI 1871542761
  Medicare reassignment Care Compare group NPD
• Signature Medical Group, Inc

  • Durable Medical Equipment & Medical Supplies
  • Chesterfield, MO
  • NPI 1982473153
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mercy Hospital South

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1568481984
  Care Compare affiliation
• SSM Select Rehab St Louis LLC

  • Rehabilitation Hospital
  • Richmond Heights, MO
  • NPI 1659511988

  Inpatient rehabilitation facility

  Care Compare affiliation

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

{
    "created_epoch": "1474848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755561600000",
    "number": "1083163505",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12639 OLD TESSON RD STE 100",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631282711",
            "telephone_number": "314-849-0311",
            "fax_number": "314-849-4423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2121 BARRETT STATION RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631311606",
            "telephone_number": "314-394-1923"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAIN",
        "first_name": "KRISTEN",
        "middle_name": "LYNN",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-09-26",
        "last_updated": "2025-08-19",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "2016013313",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Kristen.main@direct.signature.nextgenshare.com",
            "affiliation": "N",
            "address_1": "9323 Phoenix Village Pkwy",
            "city": "O Fallon",
            "state": "MO",
            "country_code": "US",
            "postal_code": "633684281",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Joel Carter Maier, DC
• Sara K Maier, PHARMD
• Samantha Elizabeth Maierhoffer
• Kira S Mailey, M.D.
• Jennifer Joy Main, M.A., CCC-A
• Shelby Florence Main, CDCES
• Arthur R. Maines, M.S.W.
• Symphrosa Njeri Maingi
• Ronald Raymond Mainhurst, DMD
• Nayna Maini, MD

• Family Nurse Practitioner in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Family Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.