Walter Klein

Walter Klein, MD

  • Gastroenterology
  • Internal Medicine

I have been very fortunate to be a physician in my home area for the past 26 years. It is a true honor to take care of so many people I have known since childhood and everyone who has given me this opportunity to be here.

Related Practices

  • The Park Medical Group

Specialties, Procedures &
Conditions Treated

Primary Areas of Practice

  • Gastroenterology
  • Internal Medicine

Other Areas of Practice

  • Cancer Prevention

Procedures

  • Anoscopy
  • BRAVO pH Monitoring
  • Cancer Screening
  • Capsule Endoscopy
  • Colon Cancer Screening and Prevention
  • Colonoscopy
  • Endoscopy
  • Esophageal Manometry
  • Fecal Microbiota Transplant
  • Feeding Tube (Percutaneous Endoscopic Gastrostomy; PEG) Placement
  • Flexible Sigmoidoscopy
  • Hemorrhoid Ligation

Conditions Treated

  • Abdominal Pain
  • Acid Reflux
  • Anal Fissure
  • Barrett's Esophagus
  • Celiac Disease
  • Cirrhosis
  • Colitis
  • Colon Cancer
  • Colon Polyps
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Diabetes
  • Diarrhea
  • Diverticulitis
  • Esophageal Cancer
  • Esophageal Disorders
  • Fatty Liver Disease
  • Gall Stones
  • Gastrointestinal Bleeding
  • GERD (Gastroesophageal Reflux Disease)
  • Heartburn
  • Hemorrhoids
  • Hepatitis
  • Hyperlipidemia
  • Hypertension
  • Inflammatory Bowel Disease (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Liver Disease
  • Pancreatitis
  • Peptic Ulcer Disease
  • Rectal Bleeding
  • Rectal Pain
  • Stomach Cancer
  • Stomach Disorders
  • Swallowing Disorders
  • Ulcerative Colitis

Locations &
Appointments

Locations

  • The Park Medical Group

    274 County Road Tenafly, NJ 07670

    Main: 201-568-0493
    Fax: 201-568-0483

Insurance

Insurances Accepted

Below is a list of the insurance plans that your provider participates in. It is very important that you contact your insurance company prior to receiving services or care. Each health insurance plan is different and some provide different levels of coverage: only your health insurance plan can provide complete information regarding your coverage and potential out-of-pocket costs.

1199 (SEIU)

  • 1199 (SEIU)

Aetna

  • Aetna HMO
  • Aetna PPO
  • Aetna POS
  • Aetna Medicare Managed Care
  • Medsolutions
  • Meritan Health

AmeriHealth

  • AmeriHealth HMO
  • AmeriHealth PPO
  • Value Network (Exchange Plan)
  • AmeriHealth Administrator

APWU

  • APWU Health Plan

Cigna

  • Great-West Healthcare (GWH)
  • Cigna HMO
  • Cigna PPO
  • Cigna Supplemental
  • Health Partners

Clover Health

  • Clover Health

Consumer Health Network (CHN)

  • CHN PPO

CoreSource

  • CoreSource

Coventry

  • CCN

Devon Health Services

  • Devon Health Plan

Empire BCBS

  • Blue Priority
  • Direct HMO
  • Direct PPO
  • Empire BCBS EPO
  • Empire BCBS HMO
  • Pathway EPO
  • Pathway HMO
  • Empire BCBS POS
  • Empire BCBS PPO
  • Prism
  • Silver
  • Total Blue

Empire Plan (NYSHIP)

  • Empire Plan (NYSHIP)

First Health

  • First Health

GEHA

  • GEHA Health Plan

Horizon BCBS

  • Horizon BCBS EPO
  • Federal Employee Program
  • Horizon BCBS Medicare Managed Care
  • NJ Carpenters Fund
  • OMNIA Tier 1
  • Traditional
  • Horizon BCBS PPO
  • Horizon BCBS HMO

Horizon NJ Health

  • Horizon NJ Health Medicaid
  • Total Care (DSNP)

MagnaCare

  • Local 825
  • MagnaCare PPO

Mail Handlers

  • Mail Handlers Benefit Plan (MHBP)

Medicaid

  • Medicaid NJ

Medicare

  • Medicare NJ

MultiPlan/PHCS

  • Beech Street
  • MultiPlan Humana
  • PHCS
  • Pomco
  • MultiPlan Worker's Comp

MVP Health Care

  • MVP Health Care PPO

NALC

  • NALC Health Benefit Plan

Nippon Life Insurance Co of America

  • Nippon Life Benefits

Oxford

  • Freedom
  • Liberty
  • Garden State Network
  • Oxford Medicare
  • Metro

QualCare

  • Choice Care
  • QualCare EPO
  • QualCare FEHB
  • QualCare GHI PPO
  • HIP HMO
  • HIP PPO
  • HIP PRIME HMO
  • HIP PRIME PPO
  • QualCare HMO
  • QualCare Humana
  • Oscar
  • QualCare PPO
  • QualCare Worker's Comp

Railroad Medicare

  • Railroad Medicare NJ

TRICARE North Region

  • DVA
  • CHAMPVA

UMR

  • UMR

UnitedHealthcare

  • AARP
  • Commercial and Marketplace
  • Compass Benefit (Exchange)
  • UnitedHealthcare EPO
  • UnitedHealthcare HMO
  • Medica
  • UnitedHealthcare POS
  • UnitedHealthcare PPO
  • River Valley
  • UnitedHealthcare StudentResources

Wellcare

  • Wellcare Medicaid Managed Care
  • Wellcare Medicare Managed Care

About

About Walter Klein

Dr. Klein received his MD from Weill Medical College of Cornell University. His internship and residency at NewYork-Presbyterian Hospital/Weill Cornell Medical Center included training at Memorial Sloan Kettering Cancer Center and the Hospital for Special Surgery. During his fellowship training in gastroenterology at Temple University Hospital, he conducted clinical research on esophageal disorders and had the opportunity to treat patients in an urban setting. In addition to his work with the Park Medical Group, Dr. Klein volunteers his time teaching medical and surgical residents and students as an assistant professor at the Hackensack Meridian School of Medicine at Seton Hall. He is the school physician for the Cresskill School District and the Police Surgeon for the Harrington Park and Closter Police Departments. Dr. Klein participated in medical humanitarian missions to West Africa as a Commander in the Navy Reserve and has been a volunteer physician in Haiti. He has also accompanied sick patients and their caregivers on pilgrimages to Lourdes, France, with the Order of Malta.

Honors & Awards

  • 2019: Bergen Magazine Top Doctors
  • 2019-2004: Castle Connolly Guide to Top Doctors New York Metro Area
  • 2018-2010: Inside Jersey Magazine Top Doctor Recognition
  • 2018-2012: Inside Jersey Top Doctors for Cancer
  • 2016-present: NJ Top Docs
  • Fellow, American College of Physicians
  • Fellow, American College of Gastroenterology

Global Health and Community Health Activities

  • Police Surgeon, Closter Police Department and Harrington Park Police Department
  • 2011, 2013: Volunteer Physician, Hospital Sacre Coeur, Milot, Haiti

Education &
Training

Education & Degrees

MD: Cornell University Medical College

Residency

New York Hospital

Fellowship

Temple University Hospital, Gastroenterology

Board Certifications

  • Internal Medicine

Publications

Publications

  • Klein W, Miller H, Anderson M, and DeCosse J. The Use of Indomethacin, Sulindac, and Tamoxifen for the Treatment of Desmoid Tumors Associated with Familial Polyposis. Cancer 60:2863-2868, 1987.
  • 1991 Klein W, and Reader G. Epidemic Diseases at the New York Hospital. Bulletin of the NY Academy of Medicine, September, 1991.
  • 1993 Klein W, Parkman H, Dempsey D, Fisher R. Sphincter-like thoraco- abdominal high pressure zone after esophagogastrectomy. Gastroenterolog 105:1362-1369, 1993. (See accompanying editorial).
  • 1993 Klein W, Krevsky B, Klepper L, Ljubich P, Niewiarowski T, Rothstein K, Dabezies M, Fisher R. Nonsteroidal Antiinflammatory Drugs and Upper Gastrointestinal Hemorrhage in an Urban Hospital. Digestive Diseases and Sciences, 38:2049-2055, 1993.
  • 1994 Klein W, Dabezies M, Friedman A, Caroline D, Boden G, Cohen S. Agenesis of the Dorsal Pancreas in a Patient with Weight Loss and Diabetes Mellitus. Digestive Diseases and Sciences, 39:1708-1713, 1994.