Martin Majer, M.D.

Hematology & Oncology

Internal Medicine

(530) 538-3187Oroville, CA
Telehealth Available
NPI Active per CMS — Q2 2026

With over 39 years in internal medicine, Martin Majer, M.D. is a long-established hematology & oncology specialist in Oroville. He has been in practice for 39+ years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data).

1 of 796 Internal Medicine providers in CASee all Internal Medicine in Oroville39+ years experienceNPI since 2007

Older · 807dNPPES updated 2024-02-19 · verify on CMS

Contact & Location

Practice Location

2809 Olive Hwy Suite 150, Oroville, CA 95966-6131

Fax: (530) 538-3145
Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.

Hypertension
64%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
56%

Elevated cholesterol or triglycerides that increase heart disease risk

Cancer
50%

Diseases involving abnormal cell growth with potential to spread to other body parts

Arthritis
39%

Joint inflammation causing pain, swelling, and stiffness

Diabetes
28%

A condition where the body cannot properly regulate blood sugar levels

Ischemic Heart Disease
27%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

COPD
22%

Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow

Anxiety Disorders
22%

Excessive worry or fear that interferes with daily life

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Board certified · Feb 18, 2024

    CMS-verified certification date

  2. 39 years in practice

    Senior practitioner

Internal MedicineHematology & Oncology in OrovilleAllopathic & Osteopathic Physicians

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Taxonomy: 207RH0003X

Virtual Hematology & Oncology Care With Martin Majer

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Martin Majer for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Oroville required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Martin Majer

NPI records show Dr. Majer as active with telehealth listed in Oroville, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (530) 538-3187.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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