Individual provider Active NPI

Hei Jun Li, MD

  • Internal Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1295319408
Registry record updated Dec 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2024024274 Issued in MO
Practice address
10024 Watson Rd
Saint Louis, MO 63126-1829
Phone
(314) 919-2500
NPI assigned
May 12, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2024024274 MO Primary
Hospitalist Physician 208M00000X 2024024274 MO

Addresses

Primary practice location

10024 Watson Rd
Saint Louis, MO 63126-1829

Mailing address

PO Box 776084
Chicago, IL 60677-6084
Phone (314) 919-2500

Other practice location 1

3015 N Ballas Rd Ste 300
Saint Louis, MO 63131-2329
Phone (314) 996-5772

Other names 1

  • Dr. Jason Li Other name

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240808004592 MO Practitioner - Hospitalist 9133666092 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Georgetown University School of Medicine, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic East CommunitiesGroup PAC ID 7214827922, 573 clinicians
Physician Groups LCGroup PAC ID 3072421254, 526 clinicians

Practice addresses (Care Compare)

10024 Watson Rd
Saint Louis, MO 63126-1829
Phone (314) 919-2555

1110 Highlands Plaza Dr E
Saint Louis, MO 63110-1351
Phone (314) 273-0195

3015 N Ballas Rd
Saint Louis, MO 63131-2329
Phone (314) 996-5772

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2024024274MOMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Clinic East Communities Internal Medicine CurrentSince Jan 5, 2026 Accepting new patients
Physician Groups LC Internal Medicine CurrentSince Aug 31, 2024 Accepting new patients
Physician Groups LC CurrentSince Aug 31, 2024 Accepting new patients

Locations

2630 Highway K
O Fallon, MO 63368
Phone (636) 240-5454

10024 Watson Rd
Saint Louis, MO 63126
Phone (314) 919-2273

621 S New Ballas Rd
Ste 4017B
Saint Louis, MO 63141
Phone (314) 872-9192

3015 N Ballas Rd
Ste 300
Saint Louis, MO 63131
Phone (314) 996-5772

660 Mason Ridge Center Dr
Ste 300
Saint Louis, MO 63141
Phone (314) 463-6950

851 E 5th St
Ste 328
Washington, MO 63090
Phone (636) 239-1101

Interoperability endpoints

  • Direct secure messaging: hli372018@direct.llu.edu

Organizations & group practices 4

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 2

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": "1620777600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1295319408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776084",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776084",
            "telephone_number": "314-919-2500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10024 WATSON RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631261829",
            "telephone_number": "314-919-2500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3015 N Ballas Rd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631312329",
            "country_code": "US",
            "telephone_number": "314-996-5772",
            "fax_number": "314-996-7869",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LI",
        "first_name": "HEI JUN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-05-12",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2024024274",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2024024274",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "3015 N Ballas Rd Ste 300",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631312329",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "JASON",
            "last_name": "LI",
            "prefix": "DR.",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.