Mason Joseph Lee, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

2023019906 Issued in MO

Practice address

3630 S Geyer Rd Ste 320
Saint Louis, MO 63127-1234

Phone

(314) 626-2000

Fax

(314) 626-2001

NPI assigned

Apr 13, 2023

Sex

Male

Sole proprietor

Yes

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

University of Missouri, Kansas City, School of Medicine, 2024

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

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.

• Total Access Urgent Care, PC

  dba Total Access Urgent Care

  • Urgent Care Clinic/Center
  • Saint Louis, MO
  • NPI 1962684886
  Medicare reassignment

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

{
    "created_epoch": "1681344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1053007955",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 959354",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631959354",
            "telephone_number": "314-626-2000",
            "fax_number": "314-626-2001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3630 S GEYER RD STE 320",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631271234",
            "telephone_number": "314-626-2000",
            "fax_number": "314-626-2001"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12680 Olive Blvd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631416322",
            "country_code": "US",
            "telephone_number": "314-251-8888",
            "fax_number": "314-251-8889",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEE",
        "first_name": "MASON",
        "middle_name": "JOSEPH",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-04-13",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MO",
            "license": "2023019906",
            "primary": true
        }
    ],
    "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": "3630 S Geyer Rd Ste 320",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631271234",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Leander K Lee, MD
• Lee Ann Lee, M.S. CCC-SLP
• Lise G Lee, M.D.
• Lori A Lee
• Marquel Devarius Lee, MSHCA
• McKenzie Lee
• Meng-Hsun Lee, M.D.
• Michael Minsu Lee, DDS
• Michelle Lee, MD
• Nicole C Lee, ANP

• Family Medicine Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Family Medicine Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2026; 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.