Hirohito Ichii, MD, PHD
Transplant Surgery Physician · Orange, CA
Hirohito Ichii, MD, PHD is a transplant surgery physician with a practice address in Orange, California, and NPI 1457679656, issued on May 12, 2010. Check the license (California F5610, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hirohito Ichii
- Credential
- MD, PHD
- Primary taxonomy
- Transplant Surgery Physician 204F00000X
- License number
- F5610 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 456-7004
- Enumerated
- May 12, 2010
- Record last updated
- May 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100624000833); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest transplant surgery physician records → All 71 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Hirohito Ichii in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license F5610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average transplant surgery physician in 2024
301 Medicare Part D claims for 50 beneficiaries, against an average of 260 among the 541 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone44 claims
- Sulfamethoxazole-Trimethoprim27 claims
- Minoxidil23 claims
- Tamsulosin Hcl23 claims
- Nifedipine Er21 claims
- Valganciclovir Hcl21 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.
Bills Medicare through one group practice
- University Surgeons OF Orange A Medical GroupOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hirohito Ichii among 71 transplant surgery physician records in California
Hirohito Ichii, MD, PHD is one of 71 transplant surgery physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1995 · median 2000 among the 55 with a school on file
- Record last updated2010 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204F00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Transplant Surgery Physician providers in California
There are 71 transplant surgery physician records in California.
All 71 in California → Every provider in Orange → Transplant Surgery Physician nationwide →
The 8 transplant surgery physician records with the nearest ZIP codes
- Christina Papageorge, M.D.Orange, CA 928681851658710
- Robert Redfield, MDOrange, CA 928681326195082
- Ervin Ruzics, MDOrange, CA 928681285789149
- Caroline TranOrange, CA 928681861192114
- Aloke Mandal, M.D., PH.D.Santa Ana, CA 927041417078882
- Aaron Ahearn, MD-PHDNewport Beach, CA 926631588839997
- Yaniv Fenig, M.D.San Bernardino, CA 924081083029839
- Arputharaj Kore, MDSan Bernardino, CA 924081639286495
Common questions
What is Hirohito Ichii, MD, PHD's NPI number?
Hirohito Ichii, MD, PHD's National Provider Identifier (NPI) is 1457679656, issued on May 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Hirohito Ichii, MD, PHD located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-7004. Providers update this record themselves, so call before visiting.
How can I verify Hirohito Ichii, MD, PHD's license?
NPPES lists California license number F5610, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hirohito Ichii, MD, PHD prescribe under Medicare Part D?
In 2024, Hirohito Ichii, MD, PHD had 301 Medicare Part D claims for 50 beneficiaries; the average among transplant surgery physician prescribers was 260. 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.