RJ
Accepting patients
Who is Dr. Janzen, Specialist in Oklahoma City, OK?
Dr. Ronald Janzen, MD is a Specialist, who primarily practices in Oklahoma City, OK. He is board certified. Dr. Janzen graduated from Wake Forest University School of Medicine and completed his residency at Scott & White Mem Hosp, Gastroenterology; Scott & White Mem Hosp, Internal Medicine. Dr. Janzen is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Janzen’s office at (405) 755-2087.
Where did Dr. Janzen go to medical school and complete their residency?
Residency: Scott & White Mem Hosp, Gastroenterology; Scott & White Mem Hosp, Internal Medicine
Medical School: Wake Forest University School of Medicine
Is Dr. Janzen board certified as a Specialist?
Yes, Dr. Ronald Janzen, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Janzen speak?
Dr. Janzen and their clinical team can communicate with patients in the following languages:
English
Does Dr. Janzen accept my insurance?
Please contact Dr. Janzen's office to confirm accepted insurance plans.
Where is Dr. Janzen's office located?
Dr. Ronald Janzen's Primary Practice
4200 W Memorial Rd Ste 212
Oklahoma City, OK 73120
(405) 755-2087
What is Dr. Janzen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Janzen's National Provider Identifier (NPI) number is 1982643383.
What common questions do patients ask about Dr. Janzen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Janzen
What is Dr. Ronald Janzen's specialty?
Dr. Janzen is a Specialist near Oklahoma City, OK.
Is this Dr. Ronald Janzen affiliated with a ranked Castle Connolly Top Hospital?
No, Janzen is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Ronald Janzen accepting new patients in Oklahoma City, OK?
Yes, Dr. Ronald Janzen is accepting new patients at this time.
Does Dr. Ronald Janzen offer online booking?
Please contact Dr. Janzen's office at (405) 755-2087 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Ronald Janzen?
Please contact Dr. Janzen's office at (405) 755-2087 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Ronald Janzen have?
Dr. Ronald Janzen is certified by the American Board of Internal Medicine.
Other Specialist Near Oklahoma City, OK
RL
Otolaryngologist
Dr. Richard Leuszler, MD is an Otolaryngologist, who primarily practices in Oklahoma City, OK. He has been practicing for over 42 years and is board certified.
Oklahoma City, OK
JJ
Specialist
Dr. Jay Johnston, MD is a Specialist, who primarily practices in Oklahoma City, OK.
Oklahoma City, OK

Otolaryngologist
Dr. Steven Richards, MD is an Otolaryngologist, who primarily practices in Oklahoma City, OK. He is board certified.
Oklahoma City, OK