Individual provider Active NPI

Lauren Waldholtz Gregory, MD

  • Hospitalist Physician
  • Saint Louis, MO
National Provider Identifier
1801316732
Registry record updated Apr 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
2020018541 Issued in MO
Practice address
1 Childrens PL
Div Ped Hospitalist Med
Saint Louis, MO 63110-1002
Phone
(314) 454-2076
Fax
(314) 747-8953
NPI assigned
Jun 21, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 2020018541 MO
Pediatric Emergency Medicine (Pediatrics) Physician 2080P0204X 2020018541 MO
Hospitalist Physician 208M00000X 2020018541 MO Primary

Addresses

Primary practice location

1 Childrens PL
Div Ped Hospitalist Med
Saint Louis, MO 63110-1002

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 454-2076

Other identifiers 1

IdentifierTypeStateIssuer
200061478MedicaidMO

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: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20200728000605 MO Practitioner - Pediatric MedicinePractitioner - Hospitalist 7911321641 Reassigns benefits to 1 organization
I20200810003628 IL Practitioner - HospitalistPractitioner - Pediatric MedicinePractitioner - Other (Physician) 7911321641 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pediatric MedicineAlso: Hospitalist
Education
Eastern Virginia Medical School, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

1 Childrens PL
Saint Louis, MO 63110-1002
Phone (314) 273-1006

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2020018541MOMDPediatric Emergency Medicine (Pediatrics) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Jul 7, 2020 Accepting new patients
Washington University Physicians in Illinois, Inc CurrentSince Jul 1, 2020 Accepting new patients
Washington University Physicians in Illinois, Inc Current Accepting new patients
Washington University Physicians in Illinois, Inc. CurrentSince Jul 1, 2020 Accepting new patients
Washington University CurrentSince Jul 7, 2020 Accepting new patients
St. Louis Children'S Hospital Past Accepting new patients

Locations

4500 Memorial Dr
Swansea, IL 62226
Phone (618) 233-7750

4240 Duncan Ave
Ste 301
Saint Louis, MO 63110

1234 S Kingshighway Blvd
Ste 1200
Saint Louis, MO 63110

1 Childrens Pl
Saint Louis, MO 63110
Phone (314) 454-2076

1 Childrens Pl
#3S34
Saint Louis, MO 63110
Phone (314) 454-6006

1 Childrens Pl
Ste C
Saint Louis, MO 63110
Phone (314) 454-2104

Interoperability endpoints

  • Direct secure messaging: lgregory160176@direct.carenet.org
  • FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1498003200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1801316732",
    "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": "314-454-2076",
            "fax_number": "314-747-8953"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 CHILDRENS PL",
            "address_2": "DIV PED HOSPITALIST MED",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101002",
            "telephone_number": "314-454-2076",
            "fax_number": "314-747-8953"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREGORY",
        "first_name": "LAUREN",
        "middle_name": "WALDHOLTZ",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-21",
        "last_updated": "2025-04-17",
        "certification_date": "2020-11-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MO",
            "license": "2020018541",
            "primary": false
        },
        {
            "code": "2080P0204X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Emergency Medicine",
            "state": "MO",
            "license": "2020018541",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2020018541",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200061478",
            "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": "1 Childrens Pl",
            "address_2": "Div Ped Hospitalist Med",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101002",
            "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.