Bassam Ghanem, MD
Hematology & Oncology Physician · Thousand Oaks, CA
Bassam Ghanem, MD is a hematology & oncology physician with a practice address in Thousand Oaks, California, and NPI 1528167830, issued on Sep 22, 2006. Check the license (California A97459, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bassam Ghanem
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A97459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 425 Haaland Dr Ste 101, Thousand Oaks, CA 91361
- Phone
- (805) 496-2949
- Enumerated
- Sep 22, 2006
- Record last updated
- Mar 23, 2022
- Fax
- (805) 204-4076
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 425 Haaland Dr Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bahareh Bahadini, MDHematology & Oncology Physician1295734614
- Sabrina Hardy, MDHematology & Oncology Physician1821595638
- Ashwin Kashyap, M.D.Hematology & Oncology Physician1861495475
- Hasmik Mkhitaryan, PHARMDOncology Pharmacist1720958176
- Stella Ortiz, MSN,RN,FNP,OCNNurse Practitioner1326557885
- Nikita Shah, MDSurgical Oncology Physician1073889002
Verify Bassam Ghanem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A97459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,625 Medicare Part D claims for 223 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 132 claims were for opioids.
Most prescribed
- Eliquis205 claims
- Levothyroxine Sodium93 claims
- Revlimid88 claims
- Anastrozole86 claims
- Xarelto78 claims
- Gabapentin62 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): 99.1 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).
Bassam Ghanem among 1,583 hematology & oncology physician records in California
Bassam Ghanem, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2022 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 Thousand Oaks → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Sidharth Anand, M.D.Westlake Village, CA 913611336453810
- Shahryar Ashouri, M.D.Westlake Village, CA 913611609946169
- Bahareh Bahadini, MDThousand Oaks, CA 913611295734614
- Michael Cerniglia, MDWestlake Village, CA 913611386106284
- Lauren Eisenbud, MDWestlake Village, CA 913611245650563
- Rodolfo Gutierrez, MDWestlake Village, CA 913611184920944
- Sabrina Hardy, MDThousand Oaks, CA 913611821595638
- Julie Huynh, MDWestlake Village, CA 913611619286101
Common questions
What is Bassam Ghanem, MD's NPI number?
Bassam Ghanem, MD's National Provider Identifier (NPI) is 1528167830, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bassam Ghanem, MD located?
The NPPES record lists a practice address at 425 Haaland Dr Ste 101, Thousand Oaks, CA, 91361. Phone: (805) 496-2949. Providers update this record themselves, so call before visiting.
How can I verify Bassam Ghanem, MD's license?
NPPES lists California license number A97459, 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 Bassam Ghanem, MD prescribe under Medicare Part D?
In 2024, Bassam Ghanem, MD had 1,625 Medicare Part D claims for 223 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Bassam Ghanem, MD's MIPS final score?
The 2023 MIPS final score is 99.1 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.