LM
38 Years of Experience
Accepting patients
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 by the American Board of Internal Medicine. Dr. Mertz graduated from Medical College of Wisconsin and completed his residency at Mayo Grad Sch Med/Mayo Fndn, Rheumatology; Med Coll Wi Affil Hosps, Internal Medicine. Dr. Mertz is fluent in English, and is currently seeing new patients. Dr. Mertz’s practice accepts Medicaid, 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 or 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, or 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 in 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 Dr. Mertz 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.
Also known as:
- Giant cell arteritis
- Granulomatosis with polyangiitis (GPA) without kidney problems
- Microscopic polyangiitis (MPA)
- Granulomatosis with polyangiitis (GPA) with kidney problems
- Artery Inflammation
- Vasculitis
- Eosinophilic granulomatosis with polyangiitis (EGPA)
- Giant Cell Arteritis
- Polymyalgia Rheumatica and Giant Cell Arteritis
- Granulomatosis with Polyangiitis
- Eosinophilic Disorder
- Temporal arteritis', 'Horton's disease
- Cranial arteritis
- Wegener's without kidney involvement
- Non-renal GPA
- Localized GPA
- MPA vasculitis
- Hypersensitivity vasculitis
- Small vessel vasculitis
- Wegener's with kidney involvement
- Renal GPA
- GPA kidney disease
- Arteritis
- Blood Vessel Inflammation
- Vascular Inflammation
- ANCA Vasculitis
- Angiitis
- Churg-Strauss syndrome
- Allergic granulomatosis
- Churg-Strauss vasculitis
ICD-10 Codes:
- M316: Other giant cell arteritis
- M3130: Wegener's granulomatosis without renal involvement
- M317: Microscopic polyangiitis
- M3131: Wegener's granulomatosis with renal involvement
- I776: Arteritis, unspecified
- I7782: Antineutrophilic cytoplasmic antibody [ANCA] vasculitis
- M301: Polyarteritis with lung involvement [Churg-Strauss]
Also known as:
- Myositis
- Polymyositis
- Dermatomyositis
- Muscle Inflammation
- Inflammatory myopathy
- Idiopathic polymyositis
- Muscle inflammation
- Muscle pain and inflammation
ICD-10 Codes:
- M3390: Dermatopolymyositis, unspecified, organ involvement unspecified
- M3320: Polymyositis, organ involvement unspecified
- M609: Myositis, unspecified
Also known as:
- Rheumatoid Arthritis
- Rheumatoid Arthritis Affecting Other Body Parts
- RA
- Chronic inflammatory arthritis
- Autoimmune arthritis
- Inflammatory joint disease
- Systemic Rheumatoid Arthritis
- RA with organ involvement
- Rheumatoid disease affecting multiple systems
ICD-10 Codes:
- M069: Rheumatoid arthritis, unspecified
- M05631: Rheumatoid arthritis of right wrist with involvement of other organs and systems
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
Also known as:
- Gout
- Gouty Arthritis
- Uric Acid Arthritis
- Hyperuricemia
ICD-10 Codes:
- M109: Gout, unspecified
Also known as:
- Lupus
- Systemic lupus erythematosus
- SLE
- Disseminated lupus erythematosus
ICD-10 Codes:
- M329: Systemic lupus erythematosus, unspecified
Also known as:
- Inflammatory Myopathy
- Muscle Disorder
- Immune Myopathy
- Inflammatory Muscle Disease
- Autoimmune Myopathy
ICD-10 Codes:
- G7249: Other inflammatory and immune myopathies, not elsewhere classified
Also known as:
- Joint Pain
- Joint Disorder
- Pain
- Arthralgia
- Aching joints
- Sore joints
ICD-10 Codes:
- M2550: Pain in unspecified joint
Also known as:
- Vascular Disease
- Artery Disease
- Blood Vessel Disorder
- Circulatory System Disease
ICD-10 Codes:
- I7789: Other specified disorders of arteries and arterioles
Also known as:
- Scleroderma
- Systemic scleroderma
- Systemic Sclerosis
- Hardening of the Skin
- Connective Tissue Disease
ICD-10 Codes:
- M349: Systemic sclerosis, unspecified
Which procedures does Dr. Mertz perform as a Rheumatologist?
As a Rheumatologist, procedures performed by a Dr. Lester Mertz may include:
- Abnormal ANA Testing
- Arthrocentesis
- Denosumab Injection
- Joint Aspiration
- Joint Injections
- Rheumatology Consultation
- Rheumatology Follow Up
- Viscosupplement Injections
For detailed information, please contact Dr. Mertz's office.
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
CVS Health (formerly Aetna)
Department of Defense / Tricare
Government Employees Health Association
Humana
Medicare
Moda Health
Mutual of Omaha
State of Arizona
UnitedHealthcare
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. 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. Contact Dr. Mertz to book an appointment today.
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
Where can I learn more about Rheumatologist?
Explore Rheumatologist with 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.
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