DR. ALEXANDER KRISTIAN DIAZ MD, PHD
NPI 1962908889
Radiology - Radiation Oncology in Paducah, KY

Q: What is Alexander Diaz's NPI number?

The NPI number for Alexander Diaz is 1962908889. It was assigned to this individual provider in the NPPES registry on March 30, 2018.

Q: What is Alexander Diaz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Diaz was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 30, 2018PECOS EnrolledAccepts Medicare Assignment

76.82/100

CMS Quality Rating

285 MEDICAL CENTER DR, PADUCAH, KY 42003(270) 441-4343 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 3, 2026, Aug 14, 2023, Jun 24, 2023 and 2 more (5 updates tracked since 2018).

On this page

About Dr. Alexander Kristian Diaz Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDER KRISTIAN DIAZ MD, PHD (NPI 1962908889) is an individual radiation oncology provider in Paducah, Kentucky, licensed in Kentucky (58282) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Murray-calloway County Hospital, and maintains a secondary practice location in Murray.

NPPES Registry Identity

NPI1962908889

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. ALEXANDER KRISTIAN DIAZCredential: MD, PHD

Location Address285 MEDICAL CENTER DRPaducah, KY 42003-7912

Mailing Address1404 Garland CtMurray, KY 42071-9391 · (678) 773-8347

Phone(270) 441-4343

Sole ProprietorNo

Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2018

Enumeration DateMarch 30, 2018

Last NPPES UpdateMarch 3, 20265 updates tracked since enumeration

NPPES CertifiedMarch 3, 2026

✔ NPI 1962908889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in KY · 58282

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

285 MEDICAL CENTER DR, Paducah, KY 42003

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Secondary Practice Location 1

Location 1803 Poplar StMurray, KY 42071-2432 · Phone (270) 762-1902 · Fax (270) 762-1905

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alexander Kristian Diaz Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062765100

PECOS Enrollment IDI20230818002704

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

1,142 services63 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

250 services73 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

231 services65 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

109 services71 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

79 services79 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

76 services60 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

75 services71 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

73 services59 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

45 services44 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

41 services33 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

37 services23 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

36 services30 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

16 services15 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

13 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Murray-Calloway County Hospital

Acute Care Hospitals · Murray, KY

1/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number180027

Location803 Poplar StreetMurray, KY 42071 · Calloway County

Emergency services Birthing friendly

Mercy Health - Lourdes Hospital

Acute Care Hospitals · Paducah, KY

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number180102

Location1530 Lone Oak RoadPaducah, KY 42003 · Mc Cracken County

Emergency services Birthing friendly

Baptist Health Paducah

Acute Care Hospitals · Paducah, KY

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number180104

Location2501 Kentucky AvenuePaducah, KY 42003 · Mc Cracken County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 42003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$162.27 typical visit price

range $52.76 – $162.27

Typical copayment $40.56 (range $13.19 – $40.56)

Most-billed visit code 99205

Established Patient

$66.24 typical visit price

range $16.53 – $131.99

Typical copayment $16.56 (range $4.13 – $32.99)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.82/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

74.18

Promoting Interoperability

Improvement Activities

Cost

49.4

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS KELLY R DERINGTON APRN

Nurse Practitioner (Family)