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. Lester Mertz:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Lester Mertz is Excellent.
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Specialties & Research
Dr. Lester Mertz, MD is board certified in Internal Medicine and Rheumatology.
- He has special expertise in 10 areas:
- Hip Osteoarthritis
- Knee Osteoarthritis
- Lyme Disease
- Osteoarthritis (Hand and Wrist)
- Rheumatic Diseases
Education & Awards
Dr. Mertz graduated from Medical College of Wisconsin, Milwaukee.
Dr. Mertz has 2 hospital affiliations:
- Mayo Clinic Hospital
- Mayo Clinic - Arizona
Accepted Insurance Plans
Dr. Mertz accepts these health insurances in at least one office:
- Humana - 2 plans