Grace Niziolek, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

2023027659 Issued in MO

Practice address

1 Barnes Jewish Hospital PLZ
Div Surg Accs
Saint Louis, MO 63110-1003

Phone

(314) 362-5298

Fax

(888) 824-2176

NPI assigned

Mar 31, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

General SurgeryAlso: Anesthesiology, Critical Care (Intensivists)

Education

Other, 2014

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
• Alton Memorial Hospital Hospital, Alton, IL, CCN 140002
• Memorial Hospital Hospital, Belleville, IL, CCN 140185
• Barnes-Jewish St Peters Hospital Hospital, Saint Peters, MO, CCN 260191

Merit-based Incentive Payment System (MIPS)

Final score

84.2 of 100Reported as group

Quality

71.6

Promoting interoperability

100

Improvement activities

40

Cost

75.75

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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 1134169568
  Medicare reassignment NPD
• Washington University

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

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1962442475
  NPD
• University of Penn - Medical Group

  • Hospitalist Physician
  • Philadelphia, PA
  • NPI 1053447151
  NPD
• University of Penn-Medical Group

  • Gynecologic Oncology Physician
  • Philadelphia, PA
  • NPI 1235527342
  NPD
• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  NPD (past)
• University of Penn - Medical Group

  • Cardiovascular Disease Physician
  • Philadelphia, PA
  • NPI 1093725145
  NPD (past)

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
• Barnes Jewish St Peters Hospital Inc

  • General Acute Care Hospital
  • Saint Peters, MO
  • NPI 1144238908
  Care Compare affiliation
• Alton Memorial Hospital

  • Ambulance
  • Alton, IL
  • NPI 1063669117

  Hospital

  Care Compare affiliation
• Alton Memorial Hospital

  • General Acute Care Hospital
  • Alton, IL
  • NPI 1548278476
  Care Compare affiliation
• Protestant Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Belleville, IL
  • NPI 1982796181
  Care Compare affiliation

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

{
    "created_epoch": "1396224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1528486339",
    "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": "314-362-5298",
            "fax_number": "888-824-2176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "address_2": "DIV SURG ACCS",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-362-5298",
            "fax_number": "888-824-2176"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIZIOLEK",
        "first_name": "GRACE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-03-31",
        "last_updated": "2025-04-17",
        "certification_date": "2024-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "MO",
            "license": "2023027659",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "MO",
            "license": "2023027659",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MO",
            "license": "2023027659",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200126738",
            "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": "1 Barnes Jewish Hospital Plz",
            "address_2": "Div Surg ACCS",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jameshia Quianna Nixon
• Melissa Ellen Nixon, NP
• Taylor Marie Nixon, BS
• Rasheeq Rahman Nizam, MD
• Fatima Tuz-Zahrah Nizamuddin, MD/MPH
• Kyle C Niziolek, MD
• Sheikh Omar Njai, AA-C
• Stephanie Njemanze, MD
• Norman Chege Njihi, FNP
• Dolores Benedicta Njoku, MD

• Surgery Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Surgery Physician 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.