Shahryar A. Ashouri, M.D.
Hematology & Oncology Physician · Westlake Village, CA
Shahryar A. Ashouri, M.D. is a hematology & oncology physician with a practice address in Westlake Village, California, and NPI 1609946169, issued on Nov 9, 2006. Check the license (California A87932, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shahryar A. Ashouri
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A87932 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1250 LA Venta Dr Ste 211, Westlake Village, CA 91361
- Phone
- (805) 496-5153
- Enumerated
- Nov 9, 2006
- Record last updated
- Mar 25, 2025
- Fax
- (805) 496-5202
- Medicaid ID
- 00A879320 CA
- Medicare enrollment
- Enrolled (PECOS I20081216000386); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2002
- Entity
- Type 1 · individual
Also registered at 1250 LA Venta Dr Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olga Popel, MDRheumatology Physician1265518054
Verify Shahryar A. Ashouri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A87932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average hematology & oncology physician in 2024
947 Medicare Part D claims for 277 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Anastrozole247 claims
- Letrozole61 claims
- Xarelto61 claims
- Eliquis42 claims
- Bicalutamide36 claims
- Tamoxifen Citrate34 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $54.37
2 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- The Regents OF The University OF CaliforniaWestlake Village, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Westlake Village →
Other hematology & oncology physician records in California
- Mark Abate, M.D.Santa Barbara, CA1588778674
- Iman Abdalla, MDLos Angeles, CA1730248311
- Haifaa Abdulhaq, MDFresno, CA1508024647
- Nihal Abdulla, MDLos Alamitos, CA1750585345
- Mehrad Abedi, M.D.Sacramento, CA1467459222
- Oyewale Abidoye, M.D.La Jolla, CA1790841815
- Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
- Mohamad Adada, M.D., PHDRoseville, CA1528590734
- Jesse Adams, MDSacramento, CA1851479554
- Thompson Adams, MDSanta Monica, CA1407880891
Common questions
What is Shahryar A. Ashouri, M.D.'s NPI number?
Shahryar A. Ashouri, M.D.'s National Provider Identifier (NPI) is 1609946169, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shahryar A. Ashouri, M.D. located?
The NPPES record lists a practice address at 1250 LA Venta Dr Ste 211, Westlake Village, CA, 91361. Phone: (805) 496-5153. Providers update this record themselves, so call before visiting.
How can I verify Shahryar A. Ashouri, M.D.'s license?
NPPES lists California license number A87932, 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 Shahryar A. Ashouri, M.D. prescribe under Medicare Part D?
In 2024, Shahryar A. Ashouri, M.D. had 947 Medicare Part D claims for 277 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Shahryar A. Ashouri, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. 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.