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Dr. Walter Klein, MD

Harrington Park, NJ

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Klein, Gastroenterologist in Harrington Park, NJ?

    Dr. Walter Klein, MD is a Gastroenterologist, who primarily practices in Harrington Park, NJ with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Klein completed his residency at Temple Univ Hosp, Gastroenterology; Ny & Presby Hp-Cornell Campus, Internal Medicine. Dr. Klein is fluent in English, Korean, Spanish, and Tagalog, and is currently seeing new patients. Dr. Klein’s practice accepts Medicaid, Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Klein’s office.

    What are Areas of Expertise for Dr. Klein?

    Dr. Walter Klein, MD is a highly-rated, board-certified Gastroenterologist 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. Klein empowers patients to confidently navigate their health journey, specializing in Cancer Prevention, Colon Polyps & Cancer, Digestive Disorders, Esophageal Disorders, Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Harrington Park/NJ community, Dr. Klein is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Temple Univ Hosp, Gastroenterology; Ny & Presby Hp-Cornell Campus, Internal Medicine

    Is Dr. Klein board certified in Gastroenterologist?

    Yes, Dr. Walter Klein, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Klein speak?

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

    • English

    • Korean

    • Spanish

    • Tagalog

    What conditions does Dr. Klein treat?

    As a Gastroenterologist, Dr. Klein 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. Klein. 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:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • Acid Reflux
    • GERD with Esophagitis
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Eosinophilic Esophagitis
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis
    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • High Blood Pressure Caused by Hormone Problems
    • High Blood Pressure
    • Endocrine Hypertension
    • Hormone-Related High Blood Pressure
    • High Blood Pressure due to Gland Problems

    ICD-10 Codes:

    • I152: Hypertension secondary to endocrine disorders

    Also known as:

    • Large Intestine Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Colon Diverticula
    • Pockets in the Colon

    ICD-10 Codes:

    • K5730: Diverticulosis of large intestine without perforation or abscess without bleeding

    Also known as:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    Also known as:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    Also known as:

    • Fatty Liver Disease
    • Liver Disease
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • NAFLD
    • NASH
    • Hepatic steatosis

    ICD-10 Codes:

    • K760: Fatty (change of) liver, not elsewhere classified

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

    • Barrett's Esophagus
    • Esophagus Disorder
    • Barrett’s Esophagus
    • Barrett's condition
    • Esophageal metaplasia

    ICD-10 Codes:

    • K2270: Barrett's esophagus without dysplasia

    Also known as:

    • Impaired Glucose Tolerance
    • Blood Glucose
    • Prediabetes (Glucose Tolerance)
    • Borderline Diabetes (Oral)
    • Glucose Intolerance

    ICD-10 Codes:

    • R7302: Impaired glucose tolerance (oral)

    Also known as:

    • Other Abnormal Enzyme Levels
    • Unspecified high enzymes
    • Various enzyme abnormalities
    • Abnormal serum enzyme levels

    ICD-10 Codes:

    • R748: Abnormal levels of other serum enzymes

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    Does Dr. Klein accept my insurance?

    Dr. Klein 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. Klein accept in Harrington Park, NJ?

    Dr. Klein in Harrington Park, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Carepoint Health

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Horizon BlueCross BlueShield

    • Humana

    • Medicare

    • Mutual of Omaha

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Klein's office located?

    Dr. Walter Klein's Primary Practice

    24 Elm St Ste 203

    Harrington Park, NJ 07640

    Get Directions

    Dr. Walter Klein's Practice 2

    1555 Center Ave Ste 2

    Fort Lee, NJ 07024

    (201) 510-0200

    Get Directions

    Dr. Walter Klein's Practice 3

    274 County Rd

    Tenafly, NJ 07670

    Get Directions

    Recognitions

    Castle Connolly Doctor’s Choice Awards

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    Doctor’s Choice - All Time

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

    nomination-award-icon

    Doctor’s Choice - Last 5 Years

    Among the most nominated for the Castle Connolly Top Doctor recognition in the last 5 years

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

    Dr. Klein's National Provider Identifier (NPI) number is 1821099078.

    What common questions do patients ask about Dr. Klein?

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

    What is Dr. Walter Klein's specialty?

    Dr. Klein is a Gastroenterologist near Harrington Park, NJ. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Klein to book an appointment today.

    Is this Dr. Walter Klein affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Klein is affiliated with Englewood 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 Gastroenterologist?

    Explore Gastroenterologist 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 Walter Klein accepting new patients in Harrington Park, NJ?

    Yes, Dr. Walter Klein is accepting new patients at this time.

    Does Dr. Walter Klein offer online booking?

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

    How can I make an appointment with Walter Klein?

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

    Which board certifications does Dr. Walter Klein have?

    Dr. Walter Klein is certified by the American Board of Internal Medicine.

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