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).
Learn more about Dr. Richard Ruben:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Richard Ruben is Excellent.
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Education & Awards
Dr. Ruben graduated from University Of The East, Ramon Magsaysay Memorial Medical Center, Quezon.
Dr. Ruben has 6 hospital affiliations:
- Prairie Lakes Hospital & Care Center
- St John Owasso
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- Additional Information
- Dr. Richard Harry Ruben MD is a male Hematologist, has 23 years of experience and practices in Hematology, Hematology & Oncology, and Medical Oncology.
- Where does Dr. Richard H. Ruben practice?
- Dr. Richard Ruben has 2 office locations.
Dr. Richard Ruben practices Hematology, Hematology & Oncology, and Medical Oncology near Tulsa, OK.
Additional practice locations include: Watertown, SD.
See Tulsa Hematologists and Tulsa Oncologists.