Dan Ishihara, M.D., PH.D.
NPI 1679816920 · Radiation Oncology Physician · Melbourne, FL
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dan Ishihara, M.D., PH.D. is a Radiation Oncology Physician provider in Melbourne, FL (NPI 1679816920).
Provider details
- NPI number
- 1679816920
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 51400 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
206 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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 90 | $131 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 78 | $133 |
| Administration of Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96402 | 25 | $39 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 13 | $232 |
Typical Medicare-allowed amounts for these services range $39–$232 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 3699 Epworth RdNewburgh, IN 47630-8909Phone: (812) 471-1200
- 315 E Broadway Fl 4Louisville, KY 40202Phone: (502) 629-2500Fax: (502) 629-2055
Registry dates
- Enumerated
- 2013-04-04
- Last updated
- 2024-02-06
- Certified
- 2024-02-06
Frequently asked questions
- What is Dan Ishihara's NPI number?
- Dan Ishihara's National Provider Identifier (NPI) is 1679816920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Ishihara's specialty?
- Dan Ishihara is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Dan Ishihara located?
- Dan Ishihara's practice location on file with NPPES is 1344 S Apollo Blvd Ste 103, Melbourne, FL 32901-3183.
- What is Dan Ishihara's phone number?
- The practice phone number listed in the NPPES registry for Dan Ishihara is (321) 441-8915.
- Does Dan Ishihara accept Medicare?
- Dan Ishihara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dan Ishihara's NPI active?
- Yes — Dan Ishihara's NPI (1679816920) is active in the NPPES registry as of the last update on 2024-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.