Siamak Karimian, M.D.
Interventional Cardiology Physician · Sherman Oaks, CA
Siamak Karimian, M.D. is an interventional cardiology physician with a practice address in Sherman Oaks, California, and NPI 1225091812, issued on Apr 6, 2006. Check the license (California A48218, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Siamak Karimian
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- A48218 CA
70710 WI
M-15992 ID
48201 KY
43360 MT
and 4 more
Self-reported in NPPES; status is on the state search - Practice location
- 4955 Van Nuys Blvd., Sherman Oaks, CA 91403
- Phone
- (818) 501-5686
- Enumerated
- Apr 6, 2006
- Record last updated
- Mar 28, 2025
- Fax
- (818) 501-6151
- Medicaid ID
- 00A482180 CA
- Medicare enrollment
- Enrolled (PECOS I20050328000568); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 632 in California → Look up another NPI →
Verify Siamak Karimian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
34 Medicare Part D claims, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $43.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 6,394 providers of this specialty with any payment received $7,062.29 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 9 group practices
- American Diagnostics Services LLCOceanside, CA
- Catholic Health Initiatives ColoradoWest Valley City, UT
- Dlp Marquette Physician Practices IncMarquette, MI
- Kan-DI-KI LLCCarrollton, TX
- Providence Health And Services - WashingtonWalla Walla, WA
- Reono Bertagnolli A Medical GroupHapeville, GA
- Sonora Community HospitalSonora, CA
- Symphony Diagnostic Services NO 1 LLCManteca, CA
- Watauga Medical Center IncBoone, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siamak Karimian among 632 interventional cardiology physician records in California
Siamak Karimian, M.D. is one of 632 interventional cardiology physician records with a practice address in California. 90% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 52% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1980 · median 2001 among the 526 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in California
There are 632 interventional cardiology physician records in California.
All 632 in California → Every provider in Sherman Oaks → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Mohammad Kashif, M.D.Sherman Oaks, CA 914031881081172
- Vahan Koshkaryan, MDSherman Oaks, CA 914031295026482
- Ayush MotwaniSherman Oaks, CA 914031629496153
- Sridhar Reddy, M.D.Sherman Oaks, CA 914031669817987
- Georges Tanbe, M.D.Sherman Oaks, CA 914031679733646
- Sami Azzam, MDPanorama City, CA 914021053470674
- Reema Chugh, MDPanorama City, CA 914021962550889
- Terry Talkin, MDPanorama City, CA 914021811064710
Common questions
What is Siamak Karimian, M.D.'s NPI number?
Siamak Karimian, M.D.'s National Provider Identifier (NPI) is 1225091812, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Siamak Karimian, M.D. located?
The NPPES record lists a practice address at 4955 Van Nuys Blvd., Sherman Oaks, CA, 91403. Phone: (818) 501-5686. Providers update this record themselves, so call before visiting.
How can I verify Siamak Karimian, M.D.'s license?
NPPES lists California license number A48218, 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 Siamak Karimian, M.D. prescribe under Medicare Part D?
In 2024, Siamak Karimian, M.D. had 34 Medicare Part D claims; the average among interventional cardiology physician prescribers was 3,179. 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.