Samuel Hardin Nieman, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

2025037850 Issued in MO

Practice address

10 Barnes West Dr
Div Im Medical Oncology, Ste 100
Saint Louis, MO 63141-6287

Phone

(314) 747-1171

Fax

(314) 362-3192

NPI assigned

Jul 15, 2025

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

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

Physician Assistant

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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 1992746903
  Medicare reassignment Care Compare group NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1962442475
  NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1134169568
  NPD (past)

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

{
    "created_epoch": "1752537600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1467344549",
    "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": "314-747-1171",
            "fax_number": "314-362-3192"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 BARNES WEST DR",
            "address_2": "DIV IM MEDICAL ONCOLOGY, STE 100",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631416287",
            "telephone_number": "314-747-1171",
            "fax_number": "314-362-3192"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIEMAN",
        "first_name": "SAMUEL",
        "middle_name": "HARDIN",
        "name_prefix": "Mr.",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-15",
        "last_updated": "2025-12-08",
        "certification_date": "2025-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MO",
            "license": "2025037850",
            "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": "10 Barnes West Dr",
            "address_2": "Div IM Medical Oncology, Ste 100",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631416287",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Laura C Niehoff, CRNA
• Natalie Niehoff, DNP, FNP-C
• Hannah Michele Nieland, CCC-SLP
• Carl Helge Nielsen, MD
• Debra Ann Nielsen, PT
• Susan Nieman
• Anne Niemann
• Catherine Niemann, OTR/L
• Hunter Dalton Dean Niemeyer, CRNA
• John H Niemeyer, MD

• Physician Assistant in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Physician Assistant in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 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.