Steven T Lillpop, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

Practice address

1600 W Walnut St
Jacksonville, IL 62650-1136

Phone

(217) 245-5437

Fax

(217) 243-3113

NPI assigned

Sep 26, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: stevenlillpop@sfc.allscriptsdirect.net
• Direct secure messaging: stevenlillpop@memorial.allscriptsdirect.net

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.

• Memorial Physician Services

  • Family Medicine Physician
  • Springfield, IL
  • NPI 1174877930

  IL, Pediatrics

  Medicare reassignment NPD
• Family Medical Center of Chatham, LLC

  • Family Medicine Physician
  • Chatham, IL
  • NPI 1992956528
  NPD
• Memorial Health Partners

  • Family Medicine Physician
  • Springfield, IL
  • NPI 1376034744
  NPD
• Memorial Physician Services

  • Multi-Specialty Clinic/Center
  • Springfield, IL
  • NPI 1417922964
  NPD
• Memorial Physician Services

  • Rural Health Clinic/Center
  • Jacksonville, IL
  • NPI 1528741147
  NPD
• Springfield Clinic LLP

  • Multi-Specialty Clinic/Center
  • Springfield, IL
  • NPI 1215974415
  NPD
• Memorial Expresscare, LLC

  • Family Medicine Physician
  • Springfield, IL
  • NPI 1750532362

  Pediatrics

  NPD (past)

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

{
    "created_epoch": "1127692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1851387609",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 W WALNUT ST",
            "city": "JACKSONVILLE",
            "state": "IL",
            "postal_code": "626501136",
            "telephone_number": "217-245-5437",
            "fax_number": "217-243-3113"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 W WALNUT ST",
            "city": "JACKSONVILLE",
            "state": "IL",
            "postal_code": "626501136",
            "telephone_number": "217-245-5437",
            "fax_number": "217-243-3113"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LILLPOP",
        "first_name": "STEVEN",
        "middle_name": "T",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• All providers in Jacksonville, IL
• Pediatrics Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.