Individual provider Active NPI

Stephen Patrick Simpson, PA

  • Physician Assistant
  • Saint Louis, MO
National Provider Identifier
1083375190
Registry record updated Jun 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
2023006776 Issued in MO
Practice address
1 Barnes Jewish Hospital PLZ
Dept Neurological Surgery
Saint Louis, MO 63110-1003
Phone
(314) 362-3577
Fax
(314) 362-2107
NPI assigned
Jan 2, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 6, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 2023006776 MO Primary

Addresses

Primary practice location

1 Barnes Jewish Hospital PLZ
Dept Neurological Surgery
Saint Louis, MO 63110-1003

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-3577

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

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
I20230323001607 MO Practitioner - Physician Assistant 3476927930 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians
Missouri Baptist Medical CenterGroup PAC ID 3476461955, 123 clinicians

Practice addresses (Care Compare)

100 Entrance Way
Saint Peters, MO 63376-1645
Phone (363) 916-7140

3015 N Ballas Rd
Saint Louis, MO 63131-2329
Phone (314) 996-5000

Hospital & facility affiliations

  • Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
  • Saint Francis Medical Center Hospital, Cape Girardeau, MO, CCN 260183

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
2023006776MOMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Jun 1, 2025 Accepting new patients
Washington University CurrentSince Jun 1, 2025 Accepting new patients
Missouri Baptist Medical Center Physician Assistant CurrentSince Mar 1, 2023 Accepting new patients
Missouri Baptist Medical Center CurrentSince Mar 1, 2023 Accepting new patients
Parkway Pathology Group, Inc. Current Accepting new patients
Washington University Past Accepting new patients
Ozarks Medical Center Past Accepting new patients

Locations

4921 Parkview Pl
Ste 6B6C
Saint Louis, MO 63110

1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-1700

3009 N Ballas Rd
Ste 142A
Saint Louis, MO 63131
Phone (314) 993-4949

1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170

12634 Olive Blvd
Saint Louis, MO 63141
Phone (314) 434-0600

3015 N Ballas Rd
Saint Louis, MO 63131
Phone (314) 996-5330

100 Entrance Way
Saint Peters, MO 63376
Phone (363) 916-7140

Interoperability endpoints

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

Organizations & group practices 8

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1641081600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749168000000",
    "number": "1083375190",
    "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": "1 BARNES JEWISH HOSPITAL PLZ",
            "address_2": "DEPT NEUROLOGICAL SURGERY",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-362-3577",
            "fax_number": "314-362-2107"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "STEPHEN",
        "middle_name": "PATRICK",
        "name_prefix": "Mr.",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-01-02",
        "last_updated": "2025-06-06",
        "certification_date": "2023-03-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MO",
            "license": "2023006776",
            "primary": true
        }
    ],
    "identifiers": [],
    "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": "Dept Neurological Surgery",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.