38 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mertz, Rheumatologist in Scottsdale, AZ?
Dr. Lester Mertz, MD is a Rheumatologist, who primarily practices in Scottsdale, AZ with 1 additional practice location. He has been practicing for over 38 years and is board certified. Dr. Mertz graduated from Medical College of Wisconsin, completed his residency at Mayo Grad Sch Med/Mayo Fndn, Rheumatology; Med Coll Wi Affil Hosps, Internal Medicine, and is currently affiliated with Mayo Clinic Hospital. Dr. Mertz is fluent in English, and is currently seeing new patients. Dr. Mertz’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mertz’s office at (480) 301-8000.
What are Areas of Expertise for Dr. Mertz?
Dr. Lester Mertz, MD is a highly-rated, board-certified Rheumatologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Mertz empowers patients to confidently navigate their health journey, specializing in Dermatomyositis, Polymyositis, Vasculitis, and comprehensive wellness support. Serving the Scottsdale, AZ community, Dr. Mertz is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Mertz go to medical school and complete their residency?
Residency: Mayo Grad Sch Med/Mayo Fndn, Rheumatology; Med Coll Wi Affil Hosps, Internal Medicine | Medical College of Wisconsin Affiliated Hospitals Program
Medical School: Med Coll of Wi, Milwaukee Wi | Medical College of Wisconsin
Is Dr. Mertz board certified as a Rheumatologist?
Yes, Dr. Lester Mertz, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Mertz speak?
Dr. Mertz and their clinical team can communicate with patients in the following languages:
English
What conditions does a Rheumatologist like Dr. Mertz typically treat?
As a Rheumatologist, Dr. Mertz diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Mertz. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.
Also known as:
- Giant cell arteritis
- Granulomatosis with polyangiitis (GPA) without kidney problems
- Microscopic polyangiitis (MPA)
- Giant Cell Arteritis
- Polymyalgia Rheumatica and Giant Cell Arteritis
- Granulomatosis with Polyangiitis
- Vasculitis
- Temporal arteritis
- Horton's disease
- Cranial arteritis
- Wegener's without kidney involvement
- Non-renal GPA
- Localized GPA
- MPA vasculitis
- Hypersensitivity vasculitis
- Small vessel vasculitis
ICD-10 Codes:
- M316: Other giant cell arteritis
- M3130: Wegener's granulomatosis without renal involvement
- M317: Microscopic polyangiitis
Also known as:
- Rheumatoid Arthritis
- RA
- Chronic inflammatory arthritis
- Autoimmune arthritis
- Inflammatory joint disease
ICD-10 Codes:
- M069: Rheumatoid arthritis, unspecified
Also known as:
- Myositis
- Dermatomyositis
- Polymyositis
- Muscle Inflammation
ICD-10 Codes:
- M3390: Dermatopolymyositis, unspecified, organ involvement unspecified
Also known as:
- Inflammatory Arthritis
- Arthritis
- Inflammatory joint disease
- Polyarthritis
- Chronic inflammatory arthritis
ICD-10 Codes:
- M064: Inflammatory polyarthropathy
Also known as:
- Polymyalgia Rheumatica
- Polymyalgia Rheumatica and Giant Cell Arteritis
- PMR
- Inflammatory Rheumatism
ICD-10 Codes:
- M353: Polymyalgia rheumatica
What procedures does a Rheumatologist like Dr. Mertz typically perform?
As a Rheumatologist, procedures performed by Dr. Lester Mertz may include:
- Abnormal ANA Testing
- Arthrocentesis
- Denosumab Injection
- Joint Aspiration
- Joint Injections
- Rheumatology Consultation
- Rheumatology Follow Up
- Viscosupplement Injections
Please contact Dr. Mertz's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Mertz accept my insurance?
Dr. Mertz accepts most major insurance plans. Important: Please call our office at (480) 301-8000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mertz accept in Scottsdale, AZ?
Dr. Mertz in Scottsdale, AZ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Banner Health
CVS Health (formerly Aetna)
Federal government of the United States
Humana
IASIS Healthcare
Medicare
Mutual of Omaha
State of Arizona
UnitedHealth Group
View All Insurances
Where is Dr. Mertz's office located?
Dr. Lester Mertz's Primary Practice
13400 E Shea Blvd
Scottsdale, AZ 85259
(480) 301-8000
What is Dr. Mertz's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mertz's National Provider Identifier (NPI) number is 1083696751.
What common questions do patients ask about Dr. Mertz?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mertz
What is Dr. Lester Mertz's specialty?
Dr. Mertz is a Rheumatologist near Scottsdale, AZ.
What does a Rheumatologist do?
An internist specializing in the treatment of diseases affecting the joints, muscles, bones, and tendons. This specialist diagnoses and manages conditions such as arthritis, back pain, muscle strains, common sports injuries, and collagen-related diseases.
Is this Dr. Lester Mertz affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mertz is affiliated with Mayo Clinic Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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 Rheumatologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Rheumatologist. 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 Lester Mertz accepting new patients in Scottsdale, AZ?
Yes, Dr. Lester Mertz is accepting new patients at this time.
Does Dr. Lester Mertz offer online booking?
Please contact Dr. Mertz's office at (480) 301-8000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Lester Mertz?
Please contact Dr. Mertz's office at (480) 301-8000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Lester Mertz have?
Dr. Lester Mertz is certified by the American Board of Internal Medicine.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>