Dan Ishihara, M.D., PH.D.
Radiation Oncology Physician · Melbourne, FL
Dan Ishihara, M.D., PH.D. is a radiation oncology physician with a practice address in Melbourne, Florida, and NPI 1679816920, issued on Apr 4, 2013. Check the license (Florida ME164834, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Dan Ishihara
- Credential
- M.D., PH.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- ME164834 FL
01080042A IN
51400 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1344 S Apollo Blvd Ste 103, Melbourne, FL 32901
- Phone
- (321) 441-8915
- Enumerated
- Apr 4, 2013
- Record last updated
- Feb 6, 2024
- Fax
- (321) 727-2990
- Medicare enrollment
- Enrolled (PECOS I20240502003919); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2013
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 520 in Florida → Look up another NPI →
Also registered at 1344 S Apollo Blvd Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Costleigh, M.D.Radiation Oncology Physician1932101144
Verify Dan Ishihara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME164834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average radiation oncology physician in 2024
25 Medicare Part D claims for 13 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
The MIPS final score for 2023 (Medicare payment program): 95.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Dignity Health Medical FoundationCarmichael, CA
- Komal Desai MD IncBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dan Ishihara among 520 radiation oncology physician records in Florida
Dan Ishihara, M.D., PH.D. is one of 520 radiation oncology physician records with a practice address in Florida. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2013 · median 2002 among the 393 with a school on file
- Record last updated2024 · 50% 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 Florida 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 Florida
There are 520 radiation oncology physician records in Florida.
All 520 in Florida → Every provider in Melbourne → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Silas Charles, M.D.Melbourne, FL 329011508862491
- Rahul Chopra, M.D.Melbourne, FL 329011962665877
- Brian Costleigh, M.D.Melbourne, FL 329011932101144
- Nilesh Dubal, MDMelbourne, FL 329011447254776
- James Giebink, M.D., F.A.C.R.O.Melbourne, FL 329011689652091
- Nanialei Golden, MDMelbourne, FL 329011407846512
- Fe Pancito, M.D.Melbourne, FL 329011922004001
- Ravi Shankar, MDMelbourne, FL 329011861407421
Common questions
What is Dan Ishihara, M.D., PH.D.'s NPI number?
Dan Ishihara, M.D., PH.D.'s National Provider Identifier (NPI) is 1679816920, issued on Apr 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Dan Ishihara, M.D., PH.D. located?
The NPPES record lists a practice address at 1344 S Apollo Blvd Ste 103, Melbourne, FL, 32901. Phone: (321) 441-8915. Providers update this record themselves, so call before visiting.
How can I verify Dan Ishihara, M.D., PH.D.'s license?
NPPES lists Florida license number ME164834, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dan Ishihara, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Dan Ishihara, M.D., PH.D. had 25 Medicare Part D claims for 13 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Dan Ishihara, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 95.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.