Michael S. Benjamin, M.D.
Hematology & Oncology Physician · West Hills, CA
Michael S. Benjamin, M.D. is a hematology & oncology physician with a practice address in West Hills, California, and NPI 1619933132, issued on Apr 24, 2006. Check the license (California A86460, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael S. Benjamin
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A86460 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7325 Medical Center Dr Ste 301, West Hills, CA 91307
- Phone
- (818) 570-2134
- Enumerated
- Apr 24, 2006
- Record last updated
- Jan 24, 2023
- Fax
- (818) 835-0485
- Medicaid IDs
- 00A864600 CA
GR0044501 CA
GR0044500 CA
ZZZ70294Z CA - Medicare enrollment
- Enrolled (PECOS I20040629001593); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Verify Michael S. Benjamin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86460Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,835 Medicare Part D claims for 225 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 84% of claims.
Most prescribed
- Procrit502 claims
- Xtandi242 claims
- Neulasta126 claims
- Xgeva94 claims
- Lupron Depot72 claims
- Gammagard Liquid63 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): 0 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: $2,611.02
99 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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.
Michael S. Benjamin among 1,583 hematology & oncology physician records in California
Michael S. Benjamin, M.D. 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 fileYes · 71% of these records are
- Graduated1998 · median 2003 among the 1,124 with a school on file
- Record last updated2023 · 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 West Hills → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Christopher Ho, M.D.West Hills, CA 913071972774958
- Ashkan Lashkari, MDWest Hills, CA 913071528284627
- Omid Shaye, M.D.West Hills, CA 913071861611931
- Bruce Zietz, M.D.West Hills, CA 913071184689002
- Gary Lazar, M.D.Encino, CA 913161861769341
- Sumita Bhatta, MDThousand Oaks, CA 913201588827802
- Jerome Davidson, MDNorthridge, CA 913251114926490
- Sheldon Davidson, MDNorthridge, CA 913251457350738
Common questions
What is Michael S. Benjamin, M.D.'s NPI number?
Michael S. Benjamin, M.D.'s National Provider Identifier (NPI) is 1619933132, issued on Apr 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Benjamin, M.D. located?
The NPPES record lists a practice address at 7325 Medical Center Dr Ste 301, West Hills, CA, 91307. Phone: (818) 570-2134. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Benjamin, M.D.'s license?
NPPES lists California license number A86460, 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 Michael S. Benjamin, M.D. prescribe under Medicare Part D?
In 2024, Michael S. Benjamin, M.D. had 1,835 Medicare Part D claims for 225 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Michael S. Benjamin, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 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.