0 reviews
Summary
Dr. Robert Mass is a physician specializing in internal medicine and oncology. They completed their medical degree at Oregon Health & Science University and have been practicing medicine for 45 years. This extensive experience has allowed them to develop deep expertise in managing complex medical conditions and cancer care.
Dr. Mass practices in Mill Valley, California, where they provide comprehensive care for patients with various internal medicine needs and cancer diagnoses. Their dual specialization allows them to offer integrated treatment approaches for patients who may have both general medical conditions and oncological concerns. The combination of decades of clinical experience and specialized training in both fields positions them to deliver thorough, coordinated patient care.
Dr. Mass practices in Mill Valley, California, where they provide comprehensive care for patients with various internal medicine needs and cancer diagnoses. Their dual specialization allows them to offer integrated treatment approaches for patients who may have both general medical conditions and oncological concerns. The combination of decades of clinical experience and specialized training in both fields positions them to deliver thorough, coordinated patient care.
Overview based on verified provider data
Quick Facts
- 45 years of experience
- Oregon Health & Science University
- 2 specialties
- 1 area of expertise
- 1 office location
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Robert David Mass, MD | Dr. George Mousa, MD | Dr. Nima Ghadimi, MD | Dr. Tooba Rehman, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 45 Years of Experience | 17 Years of Experience | 29 Years of Experience | 16 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | |||
| Mill Valley , CA | Upland , CA | Scottsdale , AZ | Katy , TX |
| Med School: Oregon Health & Science University | Med School: University Of Aleppo Faculty Of Medicine | Med School: Univ Iberoamericana Unibe Santo Domingo | Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Robert David Mass
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Robert David Mass has the following 2 specialties
Specialty Expertise
Dr. Robert David Mass has the following area of expertise
Certifications, License, & Education
45 Years Experience
EDUCATION & TRAINING
Medical School
Oregon Health & Science UniversityGraduated in 1981
Similar doctors
Frequently Asked Questions
- Does Dr. Robert Mass accept my insurance?
- You can see the insurance plans that Dr. Robert Mass accepts on their Vitals profile.
- Is Dr. Robert Mass accepting new patients?
- Dr. Robert Mass has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Robert Mass accept virtual/telehealth appointments?
- Dr. Robert Mass has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Robert Mass's office located?
- Dr. Robert Mass's office is located at 106 Elinor Ave, Mill Valley, CA, 94941.
- How can I make an appointment with Dr. Robert Mass?
- You can find contact information for Dr. Robert Mass here on Vitals.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.





