Jonathan K. Kurohara, M.D
Family Medicine Physician · Simi Valley, CA
Jonathan K. Kurohara, M.D is a family medicine physician with a practice address in Simi Valley, California, and NPI 1427023407, issued on Feb 22, 2006. Check the license (California G55913, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan K. Kurohara
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G55913 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2876 Sycamore Dr, Simi Valley, CA 93065
- Phone
- (805) 527-6424
- Enumerated
- Feb 22, 2006
- Record last updated
- Mar 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (805) 522-0115
- Medicaid ID
- 00G559130 CA
- Medicare enrollment
- Enrolled (PECOS I20040612000609); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2876 Sycamore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tami Chrans, R.D.Registered Dietitian1891728937
- Jerry Davidson, M.D.Family Medicine Physician1922073998
- George Dichter, M.D.Internal Medicine Physician1841265261
Verify Jonathan K. Kurohara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G55913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average family medicine physician in 2024
6,634 Medicare Part D claims for 532 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 68 claims were for opioids.
Most prescribed
- Atorvastatin Calcium576 claims
- Amlodipine Besylate294 claims
- Losartan Potassium276 claims
- Levothyroxine Sodium241 claims
- Metformin Hcl183 claims
- Omeprazole170 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): 97.1 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 one group practice
- Adventist Health Physicians NetworkSimi Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan K. Kurohara among 17,133 family medicine physician records in California
Jonathan K. Kurohara, M.D is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1984 · median 2005 among the 10,652 with a school on file
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 family medicine physician records list a practice address in Simi Valley
They are 60 of the 1,397 NPPES records with a practice address in Simi Valley, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Simi Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ingrid Antall, MDSimi Valley, CA 930651629061700
- George Carbone, M.D.Simi Valley, CA 930651437124849
- Jerry Davidson, M.D.Simi Valley, CA 930651922073998
- Donald Downs, MD.Simi Valley, CA 930651568451979
- Harry Drummond, MDSimi Valley, CA 930651164416517
- Daniel Ghiyam, MDSimi Valley, CA 930651750378188
- Shayla Kasel, M.D.Simi Valley, CA 930651649241837
- Masahiro Kushigemachi, M.D.Simi Valley, CA 930651386617058
Common questions
What is Jonathan K. Kurohara, M.D's NPI number?
Jonathan K. Kurohara, M.D's National Provider Identifier (NPI) is 1427023407, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan K. Kurohara, M.D located?
The NPPES record lists a practice address at 2876 Sycamore Dr, Simi Valley, CA, 93065. Phone: (805) 527-6424. Providers update this record themselves, so call before visiting.
How can I verify Jonathan K. Kurohara, M.D's license?
NPPES lists California license number G55913, 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 Jonathan K. Kurohara, M.D prescribe under Medicare Part D?
In 2024, Jonathan K. Kurohara, M.D had 6,634 Medicare Part D claims for 532 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Jonathan K. Kurohara, M.D's MIPS final score?
The 2023 MIPS final score is 97.1 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.