Concepcion Esteban Santillan, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

101659 Issued in GA

Practice address

4500 Memorial Dr Ste 400
Belleville, IL 62226-5360

Phone

(618) 233-3066

Fax

(314) 996-7658

NPI assigned

Jul 9, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other identifiers 2

Other names 1

• Concepcion G Esteban Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL, CA, GA3 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 3

Specialty

Neurology

Education

Other, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northside Primary Care Professional Services,LLCGroup PAC ID 9638343924, 313 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northside Hospital Duluth Hospital, Duluth, GA, CCN 110252

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: csantillan813823@direct.unitypoint.org

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.

• Northside Primary Care Professional Services,LLC

  • Family Medicine Physician
  • Atlanta, GA
  • NPI 1922397553
  Medicare reassignment Care Compare group NPD
• Rockford Health Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment NPD
• Cep America - Neurology PC

  • Neurology Physician
  • Santa Barbara, CA
  • NPI 1225569346
  Medicare reassignment NPD
• Fairview Heights Medical Group SC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1679503668

  IL

  Medicare reassignment NPD
• North Atlanta Professional Services LLC

  • Psychologist
  • Atlanta, GA
  • NPI 1316959869
  Medicare reassignment NPD
• The Emory Clinic Inc

  • Internal Medicine Physician
  • Atlanta, GA
  • NPI 1396798229
  Medicare reassignment NPD
• Cep America - Neurology PC

  • Neurology Physician
  • Terre Haute, IN
  • NPI 1124843586
  NPD
• Cep America - Neurology PC

  • Neurology Physician
  • Murrieta, CA
  • NPI 1235779521
  NPD
• Fairview Heights Medical Group SC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1073022000
  NPD
• Northside Primary Care Professional Services, LLC

  • Urgent Care Clinic/Center
  • Dawsonville, GA
  • NPI 1215369715
  NPD
• St Luke'S Methodist Hospital

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1083708226
  NPD
• Emory Health Care

  • Neurology Physician
  • Atlanta, GA
  • NPI 1376642751
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Northside Hospital, Inc.

  • General Acute Care Hospital
  • Duluth, GA
  • NPI 1790715381
  Care Compare affiliation

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

{
    "created_epoch": "1152403200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1083647408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2201 HENDERSON MILL RD NE STE 160",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303452711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 MEMORIAL DR STE 400",
            "city": "BELLEVILLE",
            "state": "IL",
            "postal_code": "622265360",
            "telephone_number": "618-233-3066",
            "fax_number": "314-996-7658"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8201 E Riverside Blvd",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611142300",
            "country_code": "US",
            "telephone_number": "815-971-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 Johnson Ferry Rd",
            "address_purpose": "LOCATION",
            "city": "Atlanta",
            "state": "GA",
            "postal_code": "303421606",
            "country_code": "US",
            "telephone_number": "404-851-8000",
            "fax_number": "404-303-3759",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SANTILLAN",
        "first_name": "CONCEPCION",
        "middle_name": "ESTEBAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-07-09",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "IL",
            "license": "036151944",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "GA",
            "license": "101659",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "WI",
            "license": "47916",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "C171642",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34626300",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32837700",
            "state": "WI"
        }
    ],
    "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": "4500 Memorial Dr Ste 400",
            "city": "Belleville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "622265360",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "CONCEPCION",
            "last_name": "ESTEBAN",
            "middle_name": "G",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Heather N Sanders, P.A.
• Lynda Ellen Sanders, SLP
• Ashlee D Sandstrom, PT
• Sherrywin Saner, NP
• Molly Elizabeth Sanftleben, LCSW
• Pathanjali Saravanan, MD
• Abigail Helen Sarkissian, APN
• Heather Sassman, PHD
• Dany Jose Saturno Arias, M.D.
• Maxmillian Jude Sauer, DC

• Neurology Physician in Belleville, IL
• Providers in Belleville, IL by specialty
• Neurology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.