Hidenori Mutsuo Ikuhara, M.D.
Internal Medicine Physician · Santa Ana, CA
Hidenori Mutsuo Ikuhara, M.D. is an internal medicine physician with a practice address in Santa Ana, California, and NPI 1598889750, issued on Mar 16, 2007. Check the license (California G-63739, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hidenori Mutsuo Ikuhara
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G-63739 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1212 W 17TH St, Santa Ana, CA 92706
- Phone
- (714) 954-0432
- Enumerated
- Mar 16, 2007
- Record last updated
- Dec 12, 2023
- Fax
- (714) 796-6265
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1212 W 17TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ronald Ortiz, M.D.Family Medicine Physician1235205774
Verify Hidenori Mutsuo Ikuhara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G-63739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,433 Medicare Part D claims for 317 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Losartan Potassium57 claims
- Atorvastatin Calcium48 claims
- Amlodipine Besylate44 claims
- Lisinopril42 claims
- Nabumetone40 claims
- Levothyroxine Sodium39 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.
Hidenori Mutsuo Ikuhara among 17,696 internal medicine physician records in California
Hidenori Mutsuo Ikuhara, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Ana → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nabil GemayelSanta Ana, CA 927061619091691
- Julie Low, MDSanta Ana, CA 927061972682698
- Quy Nguyen, M.D.Santa Ana, CA 927061033289699
- Hai Nguyen, M.D.Santa Ana, CA 927061558516963
- Tiffany Prachachalerm, DOSanta Ana, CA 927061104319565
- Christopher Ried, M.D.Santa Ana, CA 927061740359264
- Christopher Zimmerman, MD, MPHSanta Ana, CA 927061891018065
- Frank Badin, M.D.Santa Ana, CA 927051962562850
Common questions
What is Hidenori Mutsuo Ikuhara, M.D.'s NPI number?
Hidenori Mutsuo Ikuhara, M.D.'s National Provider Identifier (NPI) is 1598889750, issued on Mar 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hidenori Mutsuo Ikuhara, M.D. located?
The NPPES record lists a practice address at 1212 W 17TH St, Santa Ana, CA, 92706. Phone: (714) 954-0432. Providers update this record themselves, so call before visiting.
How can I verify Hidenori Mutsuo Ikuhara, M.D.'s license?
NPPES lists California license number G-63739, 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 Hidenori Mutsuo Ikuhara, M.D. prescribe under Medicare Part D?
In 2024, Hidenori Mutsuo Ikuhara, M.D. had 1,433 Medicare Part D claims for 317 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.