Alexander James Lietz, MD

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

036170520 Issued in IL

Practice address

3314 Patriot CT
Herrin, IL 62948-3782

Phone

(618) 993-1591

Fax

(618) 351-5631

NPI assigned

Mar 19, 2019

Last updated

Apr 29, 2026By the provider in NPPES

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 IL2 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

Specialty

Infectious Disease

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southern Illinois Medical Services NFPGroup PAC ID 3678677390, 331 clinicians

24 On Physicians PCGroup PAC ID 5698688141, 274 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Herrin Hospital Hospital, Herrin, IL, CCN 140011
• Memorial Hospital of Carbondale Hospital, Carbondale, IL, CCN 140164
• Harrisburg Medical Center Hospital, Harrisburg, IL, CCN 140210
• St Joseph Memorial Hospital Hospital, Murphysboro, IL, CCN 141334

Merit-based Incentive Payment System (MIPS)

Final score

82 of 100Reported as group

Quality

55.9

Promoting interoperability

100

Improvement activities

40

Cost

72.01

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: alietz74294@sih.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• 24 On Physicians, PC

  • Hospitalist Physician
  • Ottawa, IL
  • NPI 1346480431
  Medicare reassignment Care Compare group NPD
• Southern Illinois Medical Services, NFP

  dba SIH Medical Group

  • Internal Medicine Physician
  • Carbondale, IL
  • NPI 1770656837
  Medicare reassignment Care Compare group NPD
• 24 On Physicians, P.C.

  • Hospitalist Physician
  • Attleboro, MA
  • NPI 1790104511
  NPD
• Nelson F Gauto MD PC

  • Ambulatory Surgical Clinic/Center
  • Herrin, IL
  • NPI 1134349798
  NPD (past)

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

• Harrisburg Medical Center Inc

  • General Acute Care Hospital
  • Harrisburg, IL
  • NPI 1073580130
  Care Compare affiliation
• Southern Illinois Hospital Services

  dba Memorial Hospital of Carbondale

  • General Acute Care Hospital
  • Carbondale, IL
  • NPI 1093801797
  Care Compare affiliation
• Southern Illinois Hospital Services

  dba St. Joseph Memorial Hospital

  • Critical Access Hospital
  • Murphysboro, IL
  • NPI 1356435135
  Care Compare affiliation
• Southern Illinois Hospital Services

  dba Herrin Hospital

  • General Acute Care Hospital
  • Herrin, IL
  • NPI 1528158573
  Care Compare affiliation

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

{
    "created_epoch": "1552953600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777420800000",
    "number": "1790244713",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3988",
            "city": "CARBONDALE",
            "state": "IL",
            "postal_code": "629023988",
            "telephone_number": "618-457-5200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3314 PATRIOT CT",
            "city": "HERRIN",
            "state": "IL",
            "postal_code": "629483782",
            "telephone_number": "618-993-1591",
            "fax_number": "618-351-5631"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LIETZ",
        "first_name": "ALEXANDER",
        "middle_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-19",
        "last_updated": "2026-04-29",
        "certification_date": "2026-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "IL",
            "license": "036170520",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "alietz74294@sih.direct-ci.com",
            "affiliation": "N",
            "address_1": "3314 Patriot Ct",
            "city": "Herrin",
            "state": "IL",
            "country_code": "US",
            "postal_code": "629483782",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Keith Medalle Layson, PHYSICAL THERAPIST
• Brooke Ann Lee, PHYSICAL THERAPIST A
• Kendra Janelle Leftwich, CPM, CLC, CD
• Melanie Lentz
• Lenora Ann Levin
• Sophia Grace Lingle
• Natalie Lynn Lockwood, RBT
• Shantell Elizabeth Lodwick, PTA
• Logan Park Imaging LLC
• Logan Primary Care

• Infectious Disease Physician in Herrin, IL
• Providers in Herrin, IL by specialty
• Infectious Disease Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 29, 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.
• 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.