Joshua Niska, MD
NPI 1811307333 · Radiation Oncology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Niska, MD is a Radiation Oncology Physician provider in Phoenix, AZ (NPI 1811307333).
Provider details
- NPI number
- 1811307333
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 50869 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,762 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 423 | $43 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 323 | $20 |
| Calculation of Radiation Therapy Dose77300 | 199 | $31 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 148 | $183 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 134 | $30 |
| Design and Construction of Complex Radiation Treatment Device77334 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,522 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-06
- Last updated
- 2024-09-17
- Certified
- 2024-09-17
Frequently asked questions
- What is Joshua Niska's NPI number?
- Joshua Niska's National Provider Identifier (NPI) is 1811307333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Niska's specialty?
- Joshua Niska is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Niska located?
- Joshua Niska's practice location on file with NPPES is 5777 E Mayo Blvd, Phoenix, AZ 85054-4502.
- What is Joshua Niska's phone number?
- The practice phone number listed in the NPPES registry for Joshua Niska is (480) 515-6296.
- Does Joshua Niska accept Medicare?
- Joshua Niska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Niska's NPI active?
- Yes — Joshua Niska's NPI (1811307333) is active in the NPPES registry as of the last update on 2024-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.