Kelsie Marie Mentz, ACNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

2016001344 Issued in MO

Practice address

4500 Forest Park Ave
Dept Neurological Surgery, Ste 1B
Saint Louis, MO 63108-2114

Phone

(314) 362-3577

Fax

(314) 362-2107

NPI assigned

Sep 3, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

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

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Washington UniversityGroup PAC ID 9830008770, shared by 49 NPIs, 2,968 clinicians

Aging Well Health Care, LLCGroup PAC ID 1153232038, 236 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
• Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032

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.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1528005642
  Medicare reassignment NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1538100565
  Medicare reassignment NPD
• Methodist Medical Center of Illinois

  • Family Medicine Physician
  • Peoria, IL
  • NPI 1184670663
  Medicare reassignment NPD
• Methodist Medical Center of Illinois

  • Rehabilitation Hospital Unit
  • Peoria, IL
  • NPI 1982656575
  Medicare reassignment NPD
• Proctor Health Systems

  • Family Medicine Physician
  • Peoria, IL
  • NPI 1134173917
  Medicare reassignment NPD
• Washington University Physicians in Illinois, Inc

  • Multi-Specialty Clinic/Center
  • O Fallon, IL
  • NPI 1477076263
  Medicare reassignment NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1992746903
  Medicare reassignment
• Aging Well Health Care, LLC

  • Home Health Agency
  • Saint Louis, MO
  • NPI 1215936588
  Care Compare group
• Washington University Physicians in Illinois, Inc

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1457203135
  NPD
• Methodist Medical Center of Illinois

  • General Acute Care Hospital
  • Peoria, IL
  • NPI 1164474755

  Nurse Practitioner

  NPD
• Proctor Health Systems

  • Rural Health Clinic/Center
  • Princeville, IL
  • NPI 1356057301
  NPD
• Proctor Health Systems

  • Ambulatory Surgical Clinic/Center
  • Peoria, IL
  • NPI 1720223837
  NPD

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

• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  Care Compare affiliation
• Missouri Baptist Medical Center

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1487663506
  Care Compare affiliation

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

{
    "created_epoch": "1441238400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1306214697",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-362-3577",
            "fax_number": "314-362-2107"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 FOREST PARK AVE",
            "address_2": "DEPT NEUROLOGICAL SURGERY, STE 1B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631082114",
            "telephone_number": "314-362-3577",
            "fax_number": "314-362-2107"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MENTZ",
        "first_name": "KELSIE",
        "middle_name": "MARIE",
        "name_prefix": "Ms.",
        "credential": "ACNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-09-03",
        "last_updated": "2025-04-17",
        "certification_date": "2021-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "MO",
            "license": "2016001344",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MO",
            "license": "2016001344",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "420028400",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4500 Forest Park Ave",
            "address_2": "Dept Neurological Surgery, Ste 1B",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631082114",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Dipika Menon, M.D
• Shreya Kozhikote Menon
• Steven Mense, PT
• Nicole Mensing
• Mental Toughness Counseling & Mentoring
• Paraskevi Mentzelopoulos, M.D.
• Rebecca Menzel
• Menzies Institute of Recovery From Addiction, LLC
• Judealyne Percy Menzies, BSN RN
• Percy P Menzies, MS PHARM

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.