Martin Majer, M.D.
Hematology & Oncology Physician · Oroville, CA
Martin Majer, M.D. is a hematology & oncology physician with a practice address in Oroville, California, and NPI 1376749234, issued on Jun 26, 2007. Check the license (California A68238, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Martin Majer
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- A68238 CA
MED-PHYS-LIC-112718 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2809 Olive Hwy, Oroville, CA 95966
- Phone
- (530) 538-3187
- Enumerated
- Jun 26, 2007
- Record last updated
- Feb 19, 2024
- Fax
- (530) 538-3145
- Medicare enrollment
- Enrolled (PECOS I20050311000918); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 2809 Olive Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Love Dalal, M.D.Specialist1992768360
- Matthew Fine, M.D.Internal Medicine Physician1760437446
Verify Martin Majer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
285 Medicare Part D claims for 79 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Anastrozole48 claims
- Ondansetron Odt21 claims
- Hydroxyurea15 claims
- Dexamethasone11 claims
- Mekinist11 claims
- Pradaxa11 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.
Industry payments in 2024: $2,864.64
97 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.
Bills Medicare through one group practice
- Interventional Radiation Oncology OF California IncApple Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martin Majer among 1,583 hematology & oncology physician records in California
Martin Majer, 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 40% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1987 · median 2003 among the 1,124 with a school on file
- Record last updated2024 · 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 Oroville → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Sudeep Ghuman, MDOroville, CA 959661376795468
- Edna Salinas, MD, PH.D.Oroville, CA 959661154362341
- Richard Smith, MDOroville, CA 959661740244979
- Ted Heckman, MDParadise, CA 959691730143116
- David Campbell, M.D.Grass Valley, CA 959451750373239
- Jamie Hung, D.O.Grass Valley, CA 959451629213194
- Madhu Jodhani, M.D.Yuba City, CA 959911568419588
- Promila Dhanuka, M.D.Redding, CA 960011225094469
Common questions
What is Martin Majer, M.D.'s NPI number?
Martin Majer, M.D.'s National Provider Identifier (NPI) is 1376749234, issued on Jun 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Martin Majer, M.D. located?
The NPPES record lists a practice address at 2809 Olive Hwy, Oroville, CA, 95966. Phone: (530) 538-3187. Providers update this record themselves, so call before visiting.
How can I verify Martin Majer, M.D.'s license?
NPPES lists California license number A68238, 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 Martin Majer, M.D. prescribe under Medicare Part D?
In 2024, Martin Majer, M.D. had 285 Medicare Part D claims for 79 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.