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Internist, Hematology Specialist, Oncology Specialist (cancer)
26 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Mark McNamara is Excellent. Dr. McNamara has been reviewed by 4 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.7
Courteous Staff 4.7
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.7

Specialties & Research

Dr. Mark McNamara, MD is board certified in Internal Medicine, Hematology, and Medical Oncology.

  • He has special expertise in 16 areas:
  • Acute Myeloid Leukemia
  • Anemia
  • Breast Cancer
  • Cancer
  • Chronic B-Cell Lymphocytic Leukemia
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Colon Cancer
  • Deep Vein Thrombosis
  • Hepatitis C
  • Leukemia
  • Lymphoma
  • Metastatic Breast Cancer
  • Multiple Myeloma (Cancer of Plasma Cells)
  • Myelodysplastic Syndromes
  • Myeloproliferative Disorders

Education & Awards

Dr. McNamara graduated from Northwestern University, Chicago. He has 1 awards.

Castle Connolly's Top Doctors™ (2013)


Dr. McNamara has 4 hospital affiliations:

  • Garfield Medical Center 
  • Whittier Hospital Medical Center 


  • Spanish
  • Chinese
  • English

> > > > Dr. Mark McNamara, MD

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Additional Information
Dr. Mark McNamara MD is a male Internist, has 26 years of experience and practices in Internal Medicine, Hematology, and Medical Oncology.
Where does Dr. Mark McNamara practice?
Dr. Mark McNamara has 4 office locations.
Dr. Mark McNamara practices Internal Medicine, Hematology, and Medical Oncology near Pasadena, CA.
Additional practice locations include: South Pasadena, CA and Lancaster, CA.
See Pasadena Internists, Pasadena Hematologists, and Pasadena Oncologists.