Individual provider Active NPI

Connor Michael Lenihan, MB, BCH, BAO

  • Internal Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1659252542
Registry record updated Sep 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2025040883 Issued in MO
Practice address
621 S New Ballas Rd Ste 3019B
Saint Louis, MO 63141-8267
Phone
(314) 509-5305
Fax
(314) 251-4454
NPI assigned
Sep 9, 2025
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 18, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2025040883 MO Primary

Addresses

Primary practice location

621 S New Ballas Rd Ste 3019B
Saint Louis, MO 63141-8267

Mailing address

621 S New Ballas Rd Ste 3019B
Saint Louis, MO 63141-8267
Phone (314) 509-5305

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250925003934 MO Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 6800391277

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
2025040883MOMDInternal Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1757376000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1659252542",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 3019B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418267",
            "telephone_number": "314-509-5305",
            "fax_number": "314-251-4454"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 3019B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418267",
            "telephone_number": "314-509-5305",
            "fax_number": "314-251-4454"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LENIHAN",
        "first_name": "CONNOR",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "MB, BCH, BAO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-09-09",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2025040883",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.