Siamak Kazemi, D.O.
Family Medicine Physician · Redlands, CA
Siamak Kazemi, D.O. is a family medicine physician with a practice address in Redlands, California, and NPI 1417158957, issued on May 31, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Siamak Kazemi
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0102201909 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2 W Fern Ave, Redlands, CA 92373
- Phone
- (909) 793-3311
- Enumerated
- May 31, 2007
- Record last updated
- Dec 27, 2025
- Fax
- (909) 335-4190
- Medicare enrollment
- Enrolled (PECOS I20180628001641); accepts Medicare assignment
- 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 2 W Fern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Siamak Kazemi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average family medicine physician in 2024
6,493 Medicare Part D claims for 496 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium755 claims
- Levothyroxine Sodium274 claims
- Metformin Hcl234 claims
- Amlodipine Besylate210 claims
- Gabapentin185 claims
- Tamsulosin Hcl161 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 2 group practices
- Aha Medical Clinics, Inc.Yucaipa, CA
- Beaver Medical Group P CRedlands, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siamak Kazemi among 17,133 family medicine physician records in California
Siamak Kazemi, D.O. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · 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).
62 family medicine physician records list a practice address in Redlands
They are 62 of the 2,498 NPPES records with a practice address in Redlands, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Redlands → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kenneth Ballou, M.D.Redlands, CA 923731831145374
- Craig Banta, M.D.Redlands, CA 923731235174087
- Maria Garcia De Benitez, M.D.Redlands, CA 923731336198415
- Jean-Claude Hage, M.D.Redlands, CA 923731982646832
- Calvin Hagglov, M.D.Redlands, CA 923731023048816
- Jonathan Horstmann, MDRedlands, CA 923731699715953
- Marvin Lee, M.D. MPHRedlands, CA 923731407820855
- Harold Luke, M.D.Redlands, CA 923731700828779
Common questions
What is Siamak Kazemi, D.O.'s NPI number?
Siamak Kazemi, D.O.'s National Provider Identifier (NPI) is 1417158957, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Siamak Kazemi, D.O. located?
The NPPES record lists a practice address at 2 W Fern Ave, Redlands, CA, 92373. Phone: (909) 793-3311. Providers update this record themselves, so call before visiting.
How can I verify Siamak Kazemi, D.O.'s license?
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 Siamak Kazemi, D.O. prescribe under Medicare Part D?
In 2024, Siamak Kazemi, D.O. had 6,493 Medicare Part D claims for 496 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.