Individual provider Active NPI

Abby Lyn Spencer, MD

  • Internal Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1881785905
Registry record updated May 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2021019529 Issued in MO
Practice address
4901 Forest Park Ave
Div Im General Med, Ste 241
Saint Louis, MO 63108-1495
Phone
(314) 362-5060
Fax
(314) 362-6959
NPI assigned
Sep 27, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 28, 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 2021019529 MO Primary

Addresses

Primary practice location

4901 Forest Park Ave
Div Im General Med, Ste 241
Saint Louis, MO 63108-1495

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-5060

Other identifiers 1

IdentifierTypeStateIssuer
200097623MedicaidMO

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
I20210802002834 MO Practitioner - Internal Medicine 6608977319 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Pittsburgh School of Medicine, 2002
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 Barnes Jew Hosp PLZ
Saint Louis, MO 63110-1003
Phone (314) 747-3000

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

Hospital & facility affiliations

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

Practice roles

OrganizationSpecialtyStatusNew patients
Euclid Hospital Cleveland Clinic Health System Current Accepting new patients
Barnes Jewish Hospital Past Accepting new patients
Washington University Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: aspencer254259@direct.ccf.org
  • FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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 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": "1159315200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748390400000",
    "number": "1881785905",
    "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": "314-362-5060",
            "fax_number": "314-362-6959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4901 FOREST PARK AVE",
            "address_2": "DIV IM GENERAL MED, STE 241",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631081495",
            "telephone_number": "314-362-5060",
            "fax_number": "314-362-6959"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPENCER",
        "first_name": "ABBY",
        "middle_name": "LYN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-27",
        "last_updated": "2025-05-28",
        "certification_date": "2021-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2021019529",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200097623",
            "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": "4901 Forest Park Ave",
            "address_2": "Div IM General Med, Ste 241",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631081495",
            "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.