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. Ryan Klein:
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- Currently 2.5 of 4 stars
The overall average patient rating of Dr. Ryan Klein is Good.
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Specialties & Research
Dr. Ryan Klein, MD is board certified in Internal Medicine and Pulmonary Disease.
- He has special expertise in 2 areas:
Education & Awards
Dr. Klein graduated from University of Southern California , Los Angeles. He has 2 awards.
Dr. Klein has 19 hospital affiliations:
- South Coast Medical Center/Adventist Health
- Saddleback Memorial Medical Center-Laguna Hills
Accepted Insurance Plans
Dr. Klein accepts these health insurances in at least one office:
- United Healthcare - 16 plans
- Blue Shield of California - 93 plans
- Great-West Healthcare - 3 plans
- Unicare - 11 plans
- Anthem Blue Cross - 15 plans
- Cigna - 11 plans
- Humana - 9 plans
- CaIOPTIMA - 2 plans
- Aetna - 3 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Ryan M. Klein practice?
Dr. Ryan Klein practices Internal Medicine, Pulmonary Disease, and Critical Care Medicine near Newport Beach, CA.
Additional practice locations include: Laguna Niguel, CA.
See Newport Beach Internists, Newport Beach Pulmonologists, and Newport Beach Critical Care Practitioners.