Matthew Keen, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

2016035658 Issued in MO

Practice address

12700 Southfork Rd Ste 280
Saint Louis, MO 63128-3287

Phone

(314) 892-6565

Fax

(314) 892-4828

NPI assigned

Oct 5, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MO, IL2 enrollments

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 2

Specialty

Nurse Practitioner

Education

Texas Tech University Health Science Center School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Hospital SouthGroup PAC ID 8426962556, 45 clinicians

Mercy Clinic Pulmonology - St. Louis, LLCGroup PAC ID 2365599925, 23 clinicians

Midwest Emergency Anderson Health IncGroup PAC ID 8022401256, 33 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital South Hospital, Saint Louis, MO, CCN 260077
• Anderson Hospital Hospital, Maryville, IL, CCN 140289

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mercy Hospital South

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1568481984
  Medicare reassignment Care Compare group NPD
• Midwest Emergency Anderson Health, Inc

  • Emergency Medicine Physician
  • Staunton, IL
  • NPI 1710647615
  Medicare reassignment Care Compare group NPD
• Mercy Clinic Pulmonology - St. Louis, LLC

  • Pulmonary Disease Physician
  • Saint Louis, MO
  • NPI 1821137886
  Medicare reassignment Care Compare group
• Mercy East Ambulatory Services LLC

  dba Mercy-GoHealth Urgent Care

  • Urgent Care Clinic/Center
  • Chesterfield, MO
  • NPI 1134673148
  Medicare reassignment NPD
• SSM Medical Group, Inc.

  dba SSM Health Medical Group

  • Multi-Specialty Clinic/Center
  • Fenton, MO
  • NPI 1700966207
  Medicare reassignment NPD
• Midwest Inpatient Anderson Health, Inc

  • Emergency Medicine Physician
  • Maryville, IL
  • NPI 1821758608
  Medicare reassignment NPD
• Signify Health, LLC

  • General Practice Physician
  • Dallas, TX
  • NPI 1689158487

  MO

  Medicare reassignment NPD
• Mercy Hospital South

  • Medicare Defined Swing Bed Hospital Unit
  • Saint Louis, MO
  • NPI 1033714209
  NPD
• SSM Medical Group Inc.

  dba SSM Health Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Warrenton, MO
  • NPI 1467997155
  NPD
• Bigeye Emergency Physicians LLC

  • Emergency Medicine Physician
  • Fulton, MO
  • NPI 1366829426
  NPD (past)

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
• Anderson Hospital

  • General Acute Care Hospital
  • Maryville, IL
  • NPI 1053481630
  Care Compare affiliation

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

{
    "created_epoch": "1475625600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1689124414",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12700 SOUTHFORK RD STE 280",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631283287",
            "telephone_number": "314-892-6565",
            "fax_number": "314-892-4828"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12700 SOUTHFORK RD STE 280",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631283287",
            "telephone_number": "314-892-6565",
            "fax_number": "314-892-4828"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10010 Kennerly Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631282106",
            "country_code": "US",
            "telephone_number": "314-525-1906",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KEEN",
        "first_name": "MATTHEW",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-10-05",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "2016035658",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Monica Marie Keeline, MD
• Catherine Pinkerton Keeling, AM, PLCSW
• Faith Michelle Keeling
• Yolanda Yvette Keely, REGISTERED NURSE
• Christie Marie Keen, FNP
• Sarah Catherine Keenan, FNP
• William Keenan, MD
• Morgan Keence, BCBA
• Jay Donovan Keener, MD
• Tracy Lynn Keener, PT

• 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 Jun 3, 2026; 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.