Alexander Kristian Diaz, MD, PHD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

58282 Issued in KY

Practice address

285 Medical Center Dr
Paducah, KY 42003-7912

Phone

(270) 441-4343

NPI assigned

Mar 30, 2018

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 KY

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

Specialty

Radiation Oncology

Education

University of Tennessee, HSC, College of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Health Physicians Kentucky Specialty Care LLCGroup PAC ID 1456777069, 144 clinicians

Murray-Calloway County Public Hospital CorporationGroup PAC ID 0840103297, 89 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Murray-Calloway County Hospital Hospital, Murray, KY, CCN 180027
• Mercy Health - Lourdes Hospital Hospital, Paducah, KY, CCN 180102
• Baptist Health Paducah Hospital, Paducah, KY, CCN 180104

Merit-based Incentive Payment System (MIPS)

Final score

83.99 of 100Reported as group

Quality

73.34

Promoting interoperability

100

Improvement activities

40

Cost

73.31

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

Locations

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.

• Mercy Health Physicians Kentucky Specialty Care LLC

  • Surgery Physician
  • Paducah, KY
  • NPI 1700408093
  Medicare reassignment Care Compare group NPD
• Murray-Calloway County Public Hospital Corporation

  • Multi-Specialty Clinic/Center
  • Murray, KY
  • NPI 1629202858
  Medicare reassignment Care Compare group NPD
• Mercy Health Physicians Kentucky Specialty Care LLC

  • Durable Medical Equipment & Medical Supplies
  • Paducah, KY
  • NPI 1043088347
  NPD
• Murray-Calloway County Public Hospital Corporation

  • Rural Acute Care Hospital
  • Murray, KY
  • NPI 1063549814
  NPD
• Murray-Calloway County Public Hospital Corporation

  • Adult Mental Health Clinic/Center
  • Murray, KY
  • NPI 1588894703
  NPD

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

• Baptist Healthcare System, Inc

  • General Acute Care Hospital
  • Paducah, KY
  • NPI 1730264128
  Care Compare affiliation
• Mercy Health-Lourdes Hospital LLC

  • Clinical Medical Laboratory
  • Paducah, KY
  • NPI 1245620640

  Hospital

  Care Compare affiliation
• Mercy Health-Lourdes Hospital LLC

  • General Acute Care Hospital
  • Paducah, KY
  • NPI 1346244126
  Care Compare affiliation
• Murray-Calloway County Public Hospital Corporation

  • General Acute Care Hospital
  • Murray, KY
  • NPI 1073504981
  Care Compare affiliation

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

{
    "created_epoch": "1522368000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772496000000",
    "number": "1962908889",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1404 GARLAND CT",
            "city": "MURRAY",
            "state": "KY",
            "postal_code": "420719391",
            "telephone_number": "678-773-8347"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "285 MEDICAL CENTER DR",
            "city": "PADUCAH",
            "state": "KY",
            "postal_code": "420037912",
            "telephone_number": "270-441-4343"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "803 Poplar St",
            "address_purpose": "LOCATION",
            "city": "Murray",
            "state": "KY",
            "postal_code": "420712432",
            "country_code": "US",
            "telephone_number": "270-762-1902",
            "fax_number": "270-762-1905",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "ALEXANDER",
        "middle_name": "KRISTIAN",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-30",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "KY",
            "license": "58282",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Emily Dew
• Frederick Thane Deweese, M.D.
• Jan A Deweese, PTA
• Diagnostic Imaging Consultants, LTD
• Austin Joseph Dias, OD
• Sharon Lynn Dicicco, ARNP
• Alexandria Nicole Dicke, RN
• Nicole Dickerson, LPCC
• Adam Francis Dickman, PA-C
• Baili Alexis Diefenbach, M.ED., LPCA

• Radiation Oncology Physician in Paducah, KY
• Providers in Paducah, KY by specialty
• Radiation Oncology Physician in Kentucky

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 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.