Joshua Ryan Niska, MD
Joshua Ryan Niska is a Radiation Oncology Radiology specialist based in Phoenix, AZ with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Joshua Ryan Niska, MD has practiced radiology for 12+ years, working in group practice. Trained at Harvard Medical School (class of 2014), he has been practicing for over 12 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data). CMS MIPS quality score: 81.49/100 (2023).
At a glance
- Federal MIPS score higher than 62% of MIPS-scored doctors in Arizona
- Virtual visits available — no app or travel required
Older · 613dNPPES updated 2024-09-17 · verify NPI on CMS · Verify license at Arizona Medical Board
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Arizona.
MIPS Score
202381.49/100
Arizona avg: 77.5 · US avg: 83.6
⚠ Lower than most doctors nationally(-2.1 pts)
Average range among MIPS-scored doctors in ArizonaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
362
Unique beneficiaries
Standard volumePrescription Recipients
25
Patients prescribed
Prescriptions Written
50
Total claims
Total Medicare drug cost: $2k
Percentile rankings compared against 1,247 reporting peers in Arizona.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+52%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+2%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+9%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-3%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$1.5k received from industry
10 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Joshua Ryan Niska's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2014
Harvard Medical School
Board certified · Sep 16, 2024
Self-reported via NPPES
12 years in practice
Established
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Taxonomy: 2085R0001X
Education & Training
Harvard Medical School (Class of 2014)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 100068
View hospital on Medicare Care CompareVirtual Radiation Oncology Care With Joshua Ryan Niska
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Joshua Ryan Niska for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Phoenix required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Joshua Ryan Niska
Dr. Niska is listed as active in the NPI registry with telehealth listed in Phoenix, AZ. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (480) 515-6296.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Joshua Ryan Niska
Practice Location
5777 E Mayo Blvd, Phoenix, AZ 85054-4502
Mailing Address
5777 E Mayo Blvd, Phoenix, AZ 85054-4502
This is a provider directory. Contact the office directly to schedule appointments.
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