Hiroshi Kan Katsumi, M.D.
Urology Physician · Orange, CA
Hiroshi Kan Katsumi, M.D. is a urology physician with a practice address in Orange, California, and NPI 1124297395, issued on Feb 21, 2008. Check the license (California A93331, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hiroshi Kan Katsumi
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A93331 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 456-6357
- Enumerated
- Feb 21, 2008
- Record last updated
- Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (714) 456-5342
- Medicaid ID
- GR0085140 CA
- Medicare enrollment
- Enrolled (PECOS I20081112000718); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 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 Hiroshi Kan Katsumi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average urology physician in 2024
1,729 Medicare Part D claims for 462 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 62 claims were for opioids.
Most prescribed
- Tamsulosin Hcl461 claims
- Finasteride410 claims
- Myrbetriq168 claims
- Cephalexin132 claims
- Potassium Citrate Er73 claims
- Mirabegron Er56 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
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hiroshi Kan Katsumi among 1,524 urology physician records in California
Hiroshi Kan Katsumi, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2003 · median 2003 among the 1,049 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Orange → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Thomas Ahlering, M.D.Orange, CA 928681013983386
- David Chamberlin, MDOrange, CA 928681205861994
- Akhil Das, MDOrange, CA 928681053310821
- Bela Denes, M.D.Orange, CA 928681811943129
- Joel Gelman, M.D.Orange, CA 928681275640047
- Gamal M. Ghoniem, M.D.Orange, CA 928681467415919
- Feraidoun Khonsari, M.D.Orange, CA 928681487612560
- Luis Kobashi, M.D.Orange, CA 928681710963095
Common questions
What is Hiroshi Kan Katsumi, M.D.'s NPI number?
Hiroshi Kan Katsumi, M.D.'s National Provider Identifier (NPI) is 1124297395, issued on Feb 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Hiroshi Kan Katsumi, M.D. located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-6357. Providers update this record themselves, so call before visiting.
How can I verify Hiroshi Kan Katsumi, M.D.'s license?
NPPES lists California license number A93331, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hiroshi Kan Katsumi, M.D. prescribe under Medicare Part D?
In 2024, Hiroshi Kan Katsumi, M.D. had 1,729 Medicare Part D claims for 462 beneficiaries; the average among urology physician prescribers was 1,340. 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.