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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. 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, Cigna, UnitedHealthcare 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 and 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, and 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 as a 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 a Gastroenterologist like Dr. Klein typically 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. Learn more about our claims-based healthcare methodology here.

    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:

    • 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:

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

    ICD-10 Codes:

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

    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

    What procedures does a Gastroenterologist like Dr. Klein typically perform?

    As a Gastroenterologist, Dr. Klein performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision

    CPT Codes:

    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Colonoscopy with Injections
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy

    CPT Codes:

    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Capsule Endoscopy
    • Pill Camera
    • Wireless Capsule Endoscopy
    • Small Bowel Capsule Endoscopy
    • Intestinal Imaging Pill

    CPT Codes:

    • 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report

    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

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Horizon BlueCross BlueShield

    • Humana

    • Medicare

    • Mutual of Omaha

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Klein's office located?

    Dr. Walter Klein's Primary Practice

    24 Elm St

    Harrington Park, NJ 07640

    Get Directions

    Dr. Walter Klein's Practice 2

    1555 Center Ave Ste 2

    Fort Lee, NJ 07024

    Get Directions

    Dr. Walter Klein's Practice 3

    274 County Rd

    Tenafly, NJ 07670

    Get Directions

    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

    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.

    What does a Gastroenterologist do?

    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.

    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

    When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Gastroenterologist. 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 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.

    <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>