Individual provider Active NPI

Lauren Rae Counts, M.D.

  • Internal Medicine Physician
  • Washington, MO
National Provider Identifier
1255741351
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2017018129 Issued in MO
Practice address
901 E 5TH St
Washington, MO 63090-3127
Phone
(636) 239-8231
Fax
(636) 390-7365
NPI assigned
Apr 29, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 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 2017018129 MO Primary

Addresses

Primary practice location

901 E 5TH St
Washington, MO 63090-3127

Mailing address

901 E 5TH St
Washington, MO 63090-3127
Phone (636) 239-8231

Other practice location 1

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone (314) 251-6339

Other practice location 2

10010 Kennerly Rd
Saint Louis, MO 63128-2106
Phone (314) 525-1328

Other practice location 3

1400 US Highway 61
Festus, MO 63028-4100
Phone (636) 933-5337

Other names 1

  • Lauren Rae French Former name

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
I20170711001221 MO Practitioner - Internal MedicinePractitioner - Hospitalist 7719280726 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Saint Louis University School of Medicine, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic Adult Hospitalists - St. Louis, LLCGroup PAC ID 6002809944, 139 clinicians
Mercy Clinic Adult Hospitalists - Washington, LLCGroup PAC ID 3577630540, 31 clinicians

Practice addresses (Care Compare)

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone (314) 251-6339

901 E 5TH St
Washington, MO 63090-3127
Phone (636) 239-8231

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Hospital Lincoln Internal Medicine CurrentSince Jul 29, 2019 Accepting new patients
Mercy Hospitals East Communities CurrentSince Jul 16, 2017 Accepting new patients
St Anthonys Physician Organization Hospitalist Services, L.C. CurrentSince Jul 29, 2019 Accepting new patients
Mercy Clinic Adult Hospitalists- Jefferson, LLC Internal Medicine CurrentSince Jul 29, 2019 Accepting new patients
Mercy Clinic Adult Hospitalists - St. Louis, LLC Internal Medicine CurrentSince Jul 15, 2017 Accepting new patients
Mercy Clinic Adult Hospitalists - Washington, LLC CurrentSince Jul 29, 2019 Accepting new patients
Mercy Hospitals East Communities CurrentSince Jul 16, 2017 Accepting new patients
Mercy Hospitals East Communities Internal Medicine Past Accepting new patients
Mercy Hospitals East Communities Internal Medicine Past Accepting new patients

Locations

1400 US Highway 61
Crystal Cty, MO 63028
Phone (636) 933-1111

621 S New Ballas Rd
Ste 3016B
Saint Louis, MO 63141
Phone (314) 251-6339

615 S New Ballas Rd
Saint Louis, MO 63141
Phone (314) 251-4687

615 S New Ballas Rd
#H
Saint Louis, MO 63141
Phone (314) 251-6075

10010 Kennerly Rd
Saint Louis, MO 63128
Phone (314) 525-1328

900 E Cherry St
Troy, MO 63379
Phone (636) 528-8585

901 E 5th St
Washington, MO 63090
Phone (636) 239-8000

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 and National Provider Directory roles.

Hospital & facility affiliations 1

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": "1398729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1255741351",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 E 5TH ST",
            "city": "WASHINGTON",
            "state": "MO",
            "postal_code": "630903127",
            "telephone_number": "636-239-8231",
            "fax_number": "636-390-7365"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 E 5TH ST",
            "city": "WASHINGTON",
            "state": "MO",
            "postal_code": "630903127",
            "telephone_number": "636-239-8231",
            "fax_number": "636-390-7365"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "615 S New Ballas Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631418221",
            "country_code": "US",
            "telephone_number": "314-251-6339",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10010 Kennerly Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631282106",
            "country_code": "US",
            "telephone_number": "314-525-1328",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1400 US Highway 61",
            "address_purpose": "LOCATION",
            "city": "Festus",
            "state": "MO",
            "postal_code": "630284100",
            "country_code": "US",
            "telephone_number": "636-933-5337",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COUNTS",
        "first_name": "LAUREN",
        "middle_name": "RAE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-29",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2017018129",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LAUREN",
            "last_name": "FRENCH",
            "middle_name": "RAE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Washington, MO

Sources for this page

Verify at the official NPI Registry.