Steven P Zenker, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

036-075124 Issued in IL

Practice address

1 Professional Dr Ste 250
Alton, IL 62002-5068

Phone

(618) 463-8636

Fax

(618) 463-8640

NPI assigned

Aug 25, 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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL, MO2 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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
• Direct secure messaging: szenker11355@direct.carenet.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.

• Fairview Heights Medical Group SC

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

  IL

  Medicare reassignment NPD
• SSM Health Care St Louis

  • Emergency Medicine Physician
  • Fenton, MO
  • NPI 1275586174
  Medicare reassignment NPD
• Fairview Heights Medical Group SC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1073022000
  NPD
• Christian Hospital Physician Billing Services LLC

  • Cardiovascular Disease Physician
  • Saint Louis, MO
  • NPI 1689828501
  NPD (past)
• SSM Health Care St. Louis

  • Cardiovascular Disease Physician
  • Bridgeton, MO
  • NPI 1376598599
  NPD (past)

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

{
    "created_epoch": "1124928000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761004800000",
    "number": "1861485708",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 959203",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631959203",
            "telephone_number": "618-463-8500",
            "fax_number": "618-433-8640"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 PROFESSIONAL DR STE 250",
            "city": "ALTON",
            "state": "IL",
            "postal_code": "620025068",
            "telephone_number": "618-463-8636",
            "fax_number": "618-463-8640"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZENKER",
        "first_name": "STEVEN",
        "middle_name": "P",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-25",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036-075124",
            "primary": true
        }
    ],
    "identifiers": [],
    "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": "1 Professional Dr Ste 250",
            "city": "Alton",
            "state": "IL",
            "country_code": "US",
            "postal_code": "620025068",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• McKenzie R Youngblood, PA-C
• Nicholas Andrew Yuhas, DMD
• John L Zabrowski, M.D.
• Alexa Zampieri, BA
• Jason Zarantonello
• Megan Marie Zimmerman, PTA
• Sharon Anita Zitzman, R.PH.
• Alexander Benjamin Zozula, MD

• Pediatrics Physician in Alton, IL
• Providers in Alton, IL by specialty
• Pediatrics Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.