NPIMap

Individual provider Active NPI

Harrison Hoang Nguyen, DO

  • Diagnostic Radiology Physician
  • Saint Louis, MO
National Provider Identifier
1730642604
Registry record updated Aug 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
2024015543 Issued in MO
Practice address
510 S Kingshighway Blvd
Dept Radiology
Saint Louis, MO 63110-1016
Phone
(314) 362-7200
Fax
(314) 747-4189
NPI assigned
Apr 9, 2019
Last updated
Aug 14, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 036176109 IL
Diagnostic Radiology Physician 2085R0202X 2024015543 MO Primary

Addresses

Primary practice location

510 S Kingshighway Blvd
Dept Radiology
Saint Louis, MO 63110-1016

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-7200

Other identifiers 1

IdentifierTypeStateIssuer
200087703MedicaidMO

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, IL2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240626002754 MO Practitioner - Diagnostic Radiology 1759611387 Reassigns benefits to 5 organizations
I20250827001233 IL Practitioner - Diagnostic Radiology 1759611387 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Kansas City University of Med & Biosciences, College of Osteo Med, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ernst Radiology Clinic IncGroup PAC ID 2264829639, 16 clinicians
Ernst Radiology Clinic, IncGroup PAC ID 2961488366, 20 clinicians
Encompass Medical Group PAGroup PAC ID 0143116053, 44 clinicians

Practice addresses (Care Compare)

1 Good Samaritan Way
Mount Vernon, IL 62864-2402
Phone (618) 242-4600

12303 Depaul Dr
Bridgeton, MO 63044-2512
Phone (314) 344-6350

373 W 101St Terrace
Kansas City, MO 64114-4408
Phone (816) 942-8200

Hospital & facility affiliations

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
10878GAMDGeneral Practice Dentistry
036176109ILMDDiagnostic Radiology Physician
2024015543MOMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Encompass Medical Group, PA Diagnostic Radiology CurrentSince Dec 8, 2025 Accepting new patients
Miracl, LLC CurrentSince Jul 1, 2024 Accepting new patients
Central PA Pharmacy LLC. Current Accepting new patients
Ernst Radiology Clinic, Inc Diagnostic Radiology CurrentSince Jul 1, 2025 Accepting new patients
Ernst Radiology Clinic, Inc Diagnostic Radiology CurrentSince Aug 18, 2025 Accepting new patients
Osf Multi-Specialty Group CurrentSince Aug 14, 2025 Accepting new patients
Washington University Diagnostic Radiology CurrentSince Jul 1, 2024 Accepting new patients
SSM Regional Health Services PastSince Apr 22, 2026 Accepting new patients

Locations

400 N Pleasant Ave
Centralia, IL 62801
Phone (618) 436-5221

1 Good Samaritan Way
Mount Vernon, IL 62864
Phone (618) 242-4600

1420 W Pioneer Pkwy
Peoria, IL 61615
Phone (309) 308-5195

8600 State Route 91
Ste 130
Peoria, IL 61615
Phone (309) 683-5050

373 W 101st Ter
Kansas City, MO 64114
Phone (816) 941-1400

1000 W 10th St
Rolla, MO 65401
Phone (573) 364-9000

510 S Kingshighway Blvd
Saint Louis, MO 63110
Phone (314) 362-0177

Interoperability endpoints

  • Direct secure messaging: hnguyen372089@direct-ehr-ssmhc.com

Organizations & group practices 9

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.

Hospital & facility affiliations 6

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": "1554768000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755129600000",
    "number": "1730642604",
    "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": "314-362-7200",
            "fax_number": "314-747-4189"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "510 S KINGSHIGHWAY BLVD",
            "address_2": "DEPT RADIOLOGY",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101016",
            "telephone_number": "314-362-7200",
            "fax_number": "314-747-4189"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "HARRISON",
        "middle_name": "HOANG",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-09",
        "last_updated": "2025-08-14",
        "certification_date": "2025-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "036176109",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MO",
            "license": "2024015543",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200087703",
            "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": "510 S Kingshighway Blvd",
            "address_2": "Dept Radiology",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101016",
            "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.