Hamidreza M. Khonsari, M.D.
Family Medicine Physician · Antioch, CA
Hamidreza M. Khonsari, M.D. is a family medicine physician with a practice address in Antioch, California, and NPI 1306874714, issued on Jun 28, 2006. Check the license (California A486070, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hamidreza M. Khonsari
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A486070 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3903 Lone Tree Way, Antioch, CA 94509
- Phone
- (925) 755-1255
- Enumerated
- Jun 28, 2006
- Record last updated
- Mar 4, 2025
- Fax
- (925) 755-1259
- Medicare enrollment
- Enrolled (PECOS I20080807000543); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3903 Lone Tree Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hamidreza M. Khonsari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A486070Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average family medicine physician in 2024
4,687 Medicare Part D claims for 395 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 36 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium411 claims
- Levothyroxine Sodium235 claims
- Amlodipine Besylate223 claims
- Metoprolol Succinate201 claims
- Atorvastatin Calcium182 claims
- Ezetimibe139 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): 98.1 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).
Industry payments in 2024: $34.15
2 payments; by number, the most common kind was education; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Bass Medical GroupAlamo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hamidreza M. Khonsari among 17,133 family medicine physician records in California
Hamidreza M. Khonsari, 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 updated2025 · 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).
30 family medicine physician records list a practice address in Antioch
They are 30 of the 2,184 NPPES records with a practice address in Antioch, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Antioch → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Seema Cameron, MDAntioch, CA 945091134369465
- Randolph Clarke, M.D.Antioch, CA 945091538187612
- John Copeland, MDAntioch, CA 945091649259961
- James Edwards, M.D.Antioch, CA 945091508885005
- Talia Firestein, MDAntioch, CA 945091184966707
- Douglas Folsom, MDAntioch, CA 945091831260470
- Naoko Ikeda, DOAntioch, CA 945091952403909
- James Kravetz, DOAntioch, CA 945091861478901
Common questions
What is Hamidreza M. Khonsari, M.D.'s NPI number?
Hamidreza M. Khonsari, M.D.'s National Provider Identifier (NPI) is 1306874714, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hamidreza M. Khonsari, M.D. located?
The NPPES record lists a practice address at 3903 Lone Tree Way, Antioch, CA, 94509. Phone: (925) 755-1255. Providers update this record themselves, so call before visiting.
How can I verify Hamidreza M. Khonsari, M.D.'s license?
NPPES lists California license number A486070, 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 Hamidreza M. Khonsari, M.D. prescribe under Medicare Part D?
In 2024, Hamidreza M. Khonsari, M.D. had 4,687 Medicare Part D claims for 395 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Hamidreza M. Khonsari, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 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.