Naoyuki G. Saito, MD, PHD
Radiation Oncology Physician · Indianapolis, IN
Naoyuki G. Saito, MD, PHD is a radiation oncology physician with a practice address in Indianapolis, Indiana, and NPI 1558342741, issued on Nov 7, 2005. Check the license (Indiana 01076005A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Naoyuki G. Saito
- Credential
- MD, PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 01076005A IN
235396-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 550 University Blvd, Indianapolis, IN 46202
- Phone
- (317) 944-2524
- Enumerated
- Nov 7, 2005
- Record last updated
- Apr 2, 2025
- Medicaid ID
- 201327810 IN
- Medicare enrollment
- Enrolled (PECOS I20151123000414); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2000
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 135 in Indiana → Look up another NPI →
Also registered at 550 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shelby Allen, M.D.Surgery Physician1013397405
- Michael Allison, DDSDentist1124961982
Verify Naoyuki G. Saito in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01076005ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average radiation oncology physician in 2024
15 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- IU Health Medical Group LLCIndianapolis, IN
- University Radiation Oncology Associates, Inc.Indianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Naoyuki G. Saito among 135 radiation oncology physician records in Indiana
Naoyuki G. Saito, MD, PHD is one of 135 radiation oncology physician records with a practice address in Indiana. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 74% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2000 · median 2002 among the 103 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Indiana
There are 135 radiation oncology physician records in Indiana.
All 135 in Indiana → Every provider in Indianapolis → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Namita Agrawal, MDIndianapolis, IN 462021811376759
- Higinia Cardenes, M.D.Indianapolis, IN 462021912961657
- John Cox, M.D.Indianapolis, IN 462021174796544
- Susannah Ellsworth, MDIndianapolis, IN 462021336283951
- Jordan Holmes, MDIndianapolis, IN 462021891054151
- Omar Ishaq, M.D.Indianapolis, IN 462021528390200
- Mark Langer, M.D.Indianapolis, IN 462021528022746
- Tim Lautenschlaeger, M.D.Indianapolis, IN 462021720305238
Common questions
What is Naoyuki G. Saito, MD, PHD's NPI number?
Naoyuki G. Saito, MD, PHD's National Provider Identifier (NPI) is 1558342741, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Naoyuki G. Saito, MD, PHD located?
The NPPES record lists a practice address at 550 University Blvd, Indianapolis, IN, 46202. Phone: (317) 944-2524. Providers update this record themselves, so call before visiting.
How can I verify Naoyuki G. Saito, MD, PHD's license?
NPPES lists Indiana license number 01076005A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Naoyuki G. Saito, MD, PHD prescribe under Medicare Part D?
In 2024, Naoyuki G. Saito, MD, PHD had 15 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.