Brent Cham, MD
Medical Oncology Physician · Santa Maria, CA
Brent Cham, MD is a medical oncology physician with a practice address in Santa Maria, California, and NPI 1265061600, issued on Apr 7, 2020. Check the license (California A189790, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brent Cham
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A189790 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1325 E Church St Ste 301, Santa Maria, CA 93454
- Phone
- (805) 349-9393
- Enumerated
- Apr 7, 2020
- Record last updated
- Jul 7, 2026
- Fax
- (805) 614-7929
- Medicare enrollment
- Enrolled (PECOS I20251010003509); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 2020
- Entity
- Type 1 · individual
Also registered at 1325 E Church St Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keith Ayrons, M.D.Hematology & Oncology Physician1831143775
- Wei Bai, MDHematology & Oncology Physician1053567545
- Ginger CarmichaelNurse Practitioner1760974018
- Heather Cunningham, MDHematology & Oncology Physician1134359581
- Kathleen Kennedy, M.D.Hematology & Oncology Physician1528080967
- Kevin Kim, M.D.Hematology & Oncology Physician1689768848
Verify Brent Cham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average medical oncology physician in 2024
53 Medicare Part D claims for 19 beneficiaries, against an average of 703 among the 4,230 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: $1,182.11
31 payments; by number, the most common kind was food and beverage; the largest payer was Kite Pharma, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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
- County OF Los AngelesVan Nuys, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
Other medical oncology physician records in California
- Donald Abrams, MDSan Francisco, CA1679530018
- Ranjana Advani, MDStanford, CA1639225121
- Kambiz Afrasiabi, M.D.Anaheim, CA1578572368
- Mark Agulnik, MDLos Angeles, CA1164448734
- David Agus, M.D.Los Angeles, CA1356328249
- Weiyun Ai, MDSan Francisco, CA1649346842
- Shafqat Akhtar, MDRed Bluff, CA1700960788
- Luai Al Rabadi, M.D.San Francisco, CA1659637452
- Michael Alexander, MDSanta Cruz, CA1053321760
- Sandra AlgazeLos Angeles, CA1861886707
Common questions
What is Brent Cham, MD's NPI number?
Brent Cham, MD's National Provider Identifier (NPI) is 1265061600, issued on Apr 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Brent Cham, MD located?
The NPPES record lists a practice address at 1325 E Church St Ste 301, Santa Maria, CA, 93454. Phone: (805) 349-9393. Providers update this record themselves, so call before visiting.
How can I verify Brent Cham, MD's license?
NPPES lists California license number A189790, 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 Brent Cham, MD prescribe under Medicare Part D?
In 2024, Brent Cham, MD had 53 Medicare Part D claims for 19 beneficiaries; the average among medical oncology physician prescribers was 703. 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.