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Dr. Andrew Mermelstein, MD

East Norriton, PA

25 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mermelstein, Rheumatologist in East Norriton, PA?

    Dr. Andrew Mermelstein, MD is a Rheumatologist, who primarily practices in East Norriton, PA with 2 additional practice locations. He has been practicing for over 25 years and is board certified by the American Board of Internal Medicine. Dr. Mermelstein completed his residency at Univ Of Pa Hlth System, Rheumatology; Univ Of Pa Hlth System, Allergy And Immunology; Univ Of Pa Hlth System, Internal Medicine. Dr. Mermelstein is fluent in English and Spanish, and is currently seeing new patients. Dr. Mermelstein’s practice accepts Cigna, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mermelstein’s office.

    What are Areas of Expertise for Dr. Mermelstein?

    Dr. Andrew Mermelstein, 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. Mermelstein empowers patients to confidently navigate their health journey, specializing in Arthritis, Clinical Trials, or comprehensive wellness support. Serving the East Norriton/PA community, Dr. Mermelstein is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Mermelstein go to medical school and complete their residency?

    • Residency: Univ Of Pa Hlth System, Rheumatology; Univ Of Pa Hlth System, Allergy And Immunology; Univ Of Pa Hlth System, Internal Medicine | University Of Pa Health System

    • Medical School: New York Univ Sch of Med, New York Ny

    Is Dr. Mermelstein board certified in Rheumatologist?

    Yes, Dr. Andrew Mermelstein, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mermelstein speak?

    Dr. Mermelstein and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. Mermelstein treat?

    As a Rheumatologist, Dr. Mermelstein 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. Mermelstein. 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:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    Also known as:

    • Rheumatoid Arthritis
    • RA
    • Chronic inflammatory arthritis
    • Autoimmune arthritis
    • Inflammatory joint disease
    • Chronic Inflammatory Arthritis
    • Autoimmune Arthritis

    ICD-10 Codes:

    • M0579: Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement
    • M0609: Rheumatoid arthritis without rheumatoid factor, multiple sites
    • M0689: Other specified rheumatoid arthritis, multiple sites
    • M0589: Other rheumatoid arthritis with rheumatoid factor of multiple sites

    Also known as:

    • Osteoarthritis of the right hand
    • Primary Osteoarthritis in Right Knee
    • Primary Generalized Osteoarthritis
    • Osteoarthritis of both knees
    • Osteoarthritis
    • Degenerative joint disease
    • Wear-and-tear arthritis
    • Arthrosis
    • Joint degeneration
    • Right Knee Arthritis
    • Right Knee Degenerative Joint Disease
    • Primary Widespread Arthritis
    • Idiopathic Generalized Osteoarthritis
    • Generalized Degenerative Joint Disease

    ICD-10 Codes:

    • M19041: Primary osteoarthritis, right hand
    • M1711: Unilateral primary osteoarthritis, right knee
    • M150: Primary generalized (osteo)arthritis
    • M170: Bilateral primary osteoarthritis of knee

    Also known as:

    • Other Psoriatic Arthritis
    • Psoriatic arthritis
    • Psoriasis
    • Atypical psoriatic arthritis
    • Psoriasis-related joint condition
    • Unspecified psoriatic arthropathy

    ICD-10 Codes:

    • L4059: Other psoriatic arthropathy

    Also known as:

    • Osteoporosis Screening
    • Health Screening
    • Bone Density Test
    • Bone Health Screening
    • DEXA Scan

    ICD-10 Codes:

    • Z13820: Encounter for screening for osteoporosis

    Also known as:

    • Fibromyalgia
    • Widespread pain syndrome
    • Chronic muscle pain
    • Fibromyositis

    ICD-10 Codes:

    • M797: Fibromyalgia

    Also known as:

    • Gout in multiple joints
    • Gout
    • Gouty Arthritis
    • Metabolic Arthritis
    • Uric Acid Arthritis

    ICD-10 Codes:

    • M1A09X0: Idiopathic chronic gout, multiple sites, without tophus (tophi)

    Also known as:

    • Polymyalgia Rheumatica
    • Polymyalgia Rheumatica and Giant Cell Arteritis
    • PMR
    • Inflammatory Rheumatism

    ICD-10 Codes:

    • M353: Polymyalgia rheumatica

    Also known as:

    • Other Lupus Condition
    • Lupus
    • Systemic Lupus Erythematosus
    • Different Types of Lupus
    • Atypical Lupus

    ICD-10 Codes:

    • M328: Other forms of systemic lupus erythematosus

    Also known as:

    • Sjogren's Syndrome
    • Sjögren syndrome
    • Sjogren Syndrome
    • Sjögren's Disease
    • Autoimmune Dry Eye Syndrome
    • Dry Mouth Syndrome

    ICD-10 Codes:

    • M3500: Sjogren syndrome, unspecified

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Chronic Low Back Pain

    ICD-10 Codes:

    • M5459: Other low back pain

    Also known as:

    • Lower Back Spinal Degeneration
    • Spine Injuries and Disorder
    • Lumbar Spondylosis
    • Lower Back Arthritis
    • Degenerative Disc Disease in Lower Back

    ICD-10 Codes:

    • M47896: Other spondylosis, lumbar region

    Also known as:

    • Joint Pain
    • Joint Disorder
    • Pain
    • Arthralgia
    • Aching joints
    • Sore joints

    ICD-10 Codes:

    • M2550: Pain in unspecified joint

    Also known as:

    • Right Hand Joint Pain
    • Joint Disorder
    • Sore Right Hand Joints
    • Aching Right Hand Joints
    • Right Hand Discomfort

    ICD-10 Codes:

    • M25541: Pain in joints of right hand

    Which procedures does Dr. Mermelstein perform as a Rheumatologist?

    As a Rheumatologist, procedures performed by a Dr. Andrew Mermelstein may include:

    For detailed information, please contact Dr. Mermelstein's office.

    Does Dr. Mermelstein accept my insurance?

    Dr. Mermelstein accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mermelstein accept in East Norriton, PA?

    Dr. Mermelstein in East Norriton, PA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Health Partners Plans

    • Humana

    • Independence Blue Cross

    • Medicare

    • Mutual of Omaha

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Mermelstein's office located?

    Dr. Andrew Mermelstein's Primary Practice

    170 W Germantown Pike Ste C2

    East Norriton, PA 19401

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    Dr. Andrew Mermelstein's Practice 2

    262 Bethlehem Pike Ste 100

    Colmar, PA 18915

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    Dr. Andrew Mermelstein's Practice 3

    1628 Butler Pike

    Conshohocken, PA 19428

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    Recognitions

    Castle Connolly Doctor’s Choice Awards

    nomination-award-icon

    Doctor’s Choice - All Time

    Among the most nominated for the Castle Connolly Top Doctor recognition across all time

    What is Dr. Mermelstein's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Mermelstein's National Provider Identifier (NPI) number is 1215920335.

    What common questions do patients ask about Dr. Mermelstein?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mermelstein

    What is Dr. Andrew Mermelstein's specialty?

    Dr. Mermelstein is a Rheumatologist near East Norriton, PA. 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. Mermelstein to book an appointment today.

    Is this Dr. Andrew Mermelstein affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mermelstein is affiliated with Jefferson Einstein Montgomery 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 Andrew Mermelstein accepting new patients in East Norriton, PA?

    Yes, Dr. Andrew Mermelstein is accepting new patients at this time.

    Does Dr. Andrew Mermelstein offer online booking?

    Please contact Dr. Mermelstein's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Andrew Mermelstein?

    Please contact Dr. Mermelstein's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Andrew Mermelstein have?

    Dr. Andrew Mermelstein is certified by the American Board of Internal Medicine.

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