Individual provider Active NPI

Molly Barr, MD

  • Pediatric Gastroenterology Physician
  • Saint Louis, MO
National Provider Identifier
1821659145
Registry record updated Apr 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Gastroenterology PhysicianTaxonomy code 2080P0206X
License
2021036581 Issued in MO
Practice address
1 Childrens PL CB 8116
Saint Louis, MO 63110
Phone
(314) 454-6173
Fax
(314) 454-2412
NPI assigned
Jun 26, 2019
Last updated
Apr 1, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 1, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 2021036581 MO
Pediatric Gastroenterology Physician 2080P0206X 2021036581 MO Primary

Addresses

Primary practice location

1 Childrens PL CB 8116
Saint Louis, MO 63110

Mailing address

1 Childrens PL CB 8116
Saint Louis, MO 63110
Phone (314) 454-6173

Other practice location 1

1465 S Grand Blvd
Saint Louis, MO 63104-1003
Phone (314) 617-2000

Other names 1

  • Molly Knecht Former name

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
I20250211001597 MO Practitioner - Gastroenterology 6800326505 Reassigns benefits to 1 organization
I20251003003883 IL Practitioner - Pediatric Medicine 6800326505 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
Indiana University School of Medicine, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

12800 Corporate Hill Dr
Saint Louis, MO 63131-1833

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2021036581MOMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
SSM Cardinal Glennon Childrens Hospital Pediatrics CurrentSince Jul 26, 2025 Accepting new patients
SSM Health Care Group Pediatrics CurrentSince Feb 1, 2025 Accepting new patients
SSM Health Care Group CurrentSince Feb 1, 2025 Accepting new patients
SSM Cardinal Glennon Children's Hospital Pediatrics CurrentSince Jul 26, 2025 Accepting new patients

Locations

7344 Solutions Ctr
Chicago, IL 60677
Phone (314) 989-6189

3403 Anderson Healthcare Dr
#B
Edwardsville, IL 62025
Phone (618) 288-5606

6800 State Route 162
Maryville, IL 62062
Phone (618) 288-4095

10101 Woodfield Ln
Saint Louis, MO 63132
Phone (608) 280-4647

1145 Corporate Lake Dr
Saint Louis, MO 63132
Phone (314) 989-6189

1465 S Grand Blvd
Saint Louis, MO 63104
Phone (314) 268-4070

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1561507200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1821659145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 CHILDRENS PL CB 8116",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "63110",
            "telephone_number": "314-454-6173",
            "fax_number": "314-454-2412"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 CHILDRENS PL CB 8116",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "63110",
            "telephone_number": "314-454-6173",
            "fax_number": "314-454-2412"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1465 S Grand Blvd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631041003",
            "country_code": "US",
            "telephone_number": "314-617-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BARR",
        "first_name": "MOLLY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-26",
        "last_updated": "2025-04-01",
        "certification_date": "2025-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MO",
            "license": "2021036581",
            "primary": false
        },
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "MO",
            "license": "2021036581",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MOLLY",
            "last_name": "KNECHT",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.