Individual provider Active NPI

Megan Elizabeth Wren, MD

  • Internal Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1306862610
Registry record updated Apr 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
R3G51 Issued in MO
Practice address
1044 N Mason Rd
Div Im General Med, Ste 330
Saint Louis, MO 63141-6431
Phone
(314) 996-8103
Fax
(314) 996-3230
NPI assigned
Jul 14, 2006
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 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X R3G51 MO Primary

Addresses

Primary practice location

1044 N Mason Rd
Div Im General Med, Ste 330
Saint Louis, MO 63141-6431

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 996-8103

Other identifiers 1

IdentifierTypeStateIssuer
202600029MedicaidMO

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
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
I20100817000864 MO Practitioner - Internal Medicine 9335273028 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Washington University School of Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

1044 N Mason Rd
Suite 330
Saint Louis, MO 63141-6689
Phone (314) 362-3500

4901 Forest Park Ave
Saint Louis, MO 63108-1495
Phone (314) 362-5060

Hospital & facility affiliations

  • BJC Home Care Services Home health agency, Saint Louis, MO, CCN 267276
  • Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
  • Barnes-Jewish West County Hospital Hospital, Creve Coeur, MO, CCN 260162
  • Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
  • St Lukes Hospital Hospital, Chesterfield, MO, CCN 260179
  • SSM Health Rehabilitation Hospital Inpatient rehabilitation facility, Richmond Heights, MO, CCN 263031

Merit-based Incentive Payment System (MIPS)

Final score
84.2 of 100Reported as group
Quality
71.6
Promoting interoperability
100
Improvement activities
40
Cost
75.75

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
R3G51MOMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Nov 21, 2018 Accepting new patients
Washington University CurrentSince Nov 21, 2018 Accepting new patients
Ozarks Medical Center Past Accepting new patients
Washington University Past Accepting new patients

Locations

660 S Euclid Ave
#8121
Saint Louis, MO 63110
Phone (314) 362-8064

8 Millstone Campus Dr
Saint Louis, MO 63146
Phone (314) 273-4375

1040 N Mason Rd
Ste 122
Saint Louis, MO 63141
Phone (314) 362-8212

660 S Euclid Ave
#C
Saint Louis, MO 63110

4950 Childrens Pl
Saint Louis, MO 63110
Phone (314) 362-7209

660 S Euclid Ave
Saint Louis, MO 63110

660 S Euclid Ave
#8015
Saint Louis, MO 63110
Phone (314) 286-1018

1044 N Mason Rd
Ste 330
Saint Louis, MO 63141
Phone (314) 996-8103

1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170

4901 Forest Park Ave
Ste 241
Saint Louis, MO 63108
Phone (314) 747-5361

Interoperability endpoints

  • Direct secure messaging: mwren164250@direct.carenet.org

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 6

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": "1152835200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1306862610",
    "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": "314-996-8103",
            "fax_number": "314-996-3230"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1044 N MASON RD",
            "address_2": "DIV IM GENERAL MED, STE 330",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631416431",
            "telephone_number": "314-996-8103",
            "fax_number": "314-996-3230"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WREN",
        "first_name": "MEGAN",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-14",
        "last_updated": "2025-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "R3G51",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "202600029",
            "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": "1044 N Mason Rd",
            "address_2": "Div IM General Med, Ste 330",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631416431",
            "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.