Naoyuki Saito, MD, PHD
NPI 1558342741 · Radiation Oncology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naoyuki Saito, MD, PHD is a Radiation Oncology Physician provider in Indianapolis, IN (NPI 1558342741).
Provider details
- NPI number
- 1558342741
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 235396-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
708 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Design and Construction of Complex Radiation Treatment Device77334 | 154 | $56 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 144 | $19 |
| Calculation of Radiation Therapy Dose77300 | 87 | $30 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 79 | $41 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 73 | $177 |
| Complex Radiation Therapy Planning77263 | 42 | $152 |
Practice location
Mailing address
Additional practice locations (1)
- 2209 John R Wooden DriveMartinsville, IN 46151-1840Phone: (765) 349-6592Fax: (765) 349-6443
Registry dates
- Enumerated
- 2005-11-07
- Last updated
- 2025-04-02
- Certified
- 2025-04-02
Frequently asked questions
- What is Naoyuki Saito's NPI number?
- Naoyuki Saito's National Provider Identifier (NPI) is 1558342741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naoyuki Saito's specialty?
- Naoyuki Saito is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Naoyuki Saito located?
- Naoyuki Saito's practice location on file with NPPES is 550 University Blvd, Indianapolis, IN 46202-5149.
- What is Naoyuki Saito's phone number?
- The practice phone number listed in the NPPES registry for Naoyuki Saito is (317) 944-2524.
- Does Naoyuki Saito accept Medicare?
- Naoyuki Saito is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naoyuki Saito's NPI active?
- Yes — Naoyuki Saito's NPI (1558342741) is active in the NPPES registry as of the last update on 2025-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.