NPIMap

Individual provider Active NPI

Daniel J Maestas, MD

  • Family Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1407823511
Registry record updated Sep 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
R2J10 Issued in MO
Practice address
8888 Ladue Rd Ste 210
Saint Louis, MO 63124-2056
Phone
(314) 862-5044
NPI assigned
Mar 7, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X R2J10 MO Primary

Addresses

Primary practice location

8888 Ladue Rd Ste 210
Saint Louis, MO 63124-2056

Mailing address

8888 Ladue Rd Ste 210
Saint Louis, MO 63124-2056
Phone (314) 862-5044

Other practice location 1

9338 Olive Blvd
Suite 100
Olivette, MO 63132-3248
Phone (314) 993-2400

Other identifiers 2

IdentifierTypeStateIssuer
1407823511MedicaidMO
080124460OtherMORAILROAD MEDICARE

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070531000164 MO Practitioner - Family Practice 4789782616 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Saint Louis University School of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Physician Groups LCGroup PAC ID 3072421254, 526 clinicians

Practice addresses (Care Compare)

8888 Ladue Rd
Suite 210
Saint Louis, MO 63124-2056
Phone (314) 996-5900

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
R2J10MOMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Physician Groups LC Family Medicine CurrentSince Feb 1, 2024 Accepting new patients
Physician Groups LC CurrentSince Feb 1, 2024 Accepting new patients

Locations

2630 Highway K
O Fallon, MO 63368
Phone (636) 240-5454

8888 Ladue Rd
Ste 210
Saint Louis, MO 63124
Phone (314) 862-5044

Interoperability endpoints

  • Direct secure messaging: dmaestas1190@directc.mercy.net

Organizations & group practices 2

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 8

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": "1141689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758499200000",
    "number": "1407823511",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8888 LADUE RD STE 210",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631242056",
            "telephone_number": "314-862-5044"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8888 LADUE RD STE 210",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631242056",
            "telephone_number": "314-862-5044"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9338 Olive Blvd",
            "address_2": "Suite 100",
            "address_purpose": "LOCATION",
            "city": "Olivette",
            "state": "MO",
            "postal_code": "631323248",
            "country_code": "US",
            "telephone_number": "314-993-2400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAESTAS",
        "first_name": "DANIEL",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-07",
        "last_updated": "2025-09-22",
        "certification_date": "2025-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MO",
            "license": "R2J10",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1407823511",
            "state": "MO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "080124460",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "8888 LaDue Rd Ste 210",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631242056",
            "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.