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Mark Klapholz, MD

Dr. Klapholz is a gastroenterologist in the NYC area. He is affiliated with North Shore University Hospital and North Shore University Hospital at Syosset.
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Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
2.5k doctors
Top 15%
2.5k doctors
Top 5%
1.3k doctors
Dr. Klapholz saw more cardiovascular disease (CVD) patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
2.3k doctors
Top 15%
2.3k doctors
Top 5%
1.1k doctors
Dr. Klapholz saw more digestive tract conditions patients than 85% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
2.4k doctors
Top 15%
2.4k doctors
Top 5%
1.2k doctors
Dr. Klapholz saw more vascular disease patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
2.7k doctors
Top 15%
2.7k doctors
Top 5%
1.3k doctors
Dr. Klapholz saw pain patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
1.4k doctors
Top 15%
1.4k doctors
Top 5%
683 doctors
Dr. Klapholz saw more acid reflux patients than 85% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
2.3k doctors
Top 15%
2.3k doctors
Top 5%
1.2k doctors
Dr. Klapholz saw diabetes patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
1.4k doctors
Top 15%
1.4k doctors
Top 5%
696 doctors
Dr. Klapholz saw more peripheral vascular disease (PVD) patients than 85% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
496 doctors
Top 15%
496 doctors
Top 5%
247 doctors
Dr. Klapholz saw more hemorrhoid patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
272 doctors
Top 15%
272 doctors
Top 5%
136 doctors
Dr. Klapholz saw diverticulosis patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
2.0k doctors
Top 15%
2.0k doctors
Top 5%
1.0k doctors
Dr. Klapholz saw type 2 diabetes patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
2.0k doctors
Top 15%
2.0k doctors
Top 5%
977 doctors
Dr. Klapholz saw more anemia patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
1.1k doctors
Top 15%
1.1k doctors
Top 5%
530 doctors
Dr. Klapholz saw atrial fibrillation (Afib) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.
Top 25%
1.0k doctors
Top 15%
1.1k doctors
Top 5%
524 doctors
Dr. Klapholz saw more hemorrhage patients than 85% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
63 doctors
Top 15%
64 doctors
Top 5%
31 doctors
Dr. Klapholz saw lactose intolerance patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.
Top 25%
853 doctors
Top 15%
852 doctors
Top 5%
426 doctors
Dr. Klapholz saw more diarrhea patients than 85% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
308 doctors
Top 15%
308 doctors
Top 5%
154 doctors
Dr. Klapholz saw more gas patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
499 doctors
Top 15%
499 doctors
Top 5%
249 doctors
Dr. Klapholz saw benign polyps patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
1.1k doctors
Top 15%
1.1k doctors
Top 5%
536 doctors
Dr. Klapholz saw more constipation patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
252 doctors
Top 15%
253 doctors
Top 5%
126 doctors
Dr. Klapholz saw lipoma patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.
Top 25%
930 doctors
Top 15%
930 doctors
Top 5%
465 doctors
Dr. Klapholz saw more inflammatory bowel disease (IBD) patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
999 doctors
Top 15%
998 doctors
Top 5%
499 doctors
Dr. Klapholz saw gastroenteritis patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
654 doctors
Top 15%
654 doctors
Top 5%
327 doctors
Dr. Klapholz saw more biliary tract disease patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
334 doctors
Top 15%
334 doctors
Top 5%
166 doctors
Dr. Klapholz saw more non-alcoholic liver disease patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
220 doctors
Top 15%
220 doctors
Top 5%
110 doctors
Dr. Klapholz saw colon polyps patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
1.8k doctors
Top 15%
1.8k doctors
Top 5%
878 doctors
Dr. Klapholz saw obesity patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
1.2k doctors
Top 15%
1.2k doctors
Top 5%
616 doctors
Dr. Klapholz saw more liver condition patients than 75% of similar doctors in the NYC area in 2014–2018. Learn more.

Related services provided

Top 25%
406 doctors
Top 15%
405 doctors
Top 5%
202 doctors
Dr. Klapholz saw gallstones patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
294 doctors
Top 15%
293 doctors
Top 5%
146 doctors
Dr. Klapholz saw irritable bowel syndrome (IBS) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
749 doctors
Top 15%
749 doctors
Top 5%
374 doctors
Dr. Klapholz saw hernia patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.

Related services provided

Top 25%
93 doctors
Top 15%
93 doctors
Top 5%
46 doctors
Dr. Klapholz saw jaundice patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the NYC area. Learn more.
Locations

Dr. Klapholz sees patients and can be reached at the following location.

Office
3 Vermont Dr
New Hyde Park, NY 11042
1,448 miles away

Reviews

Credentials
  • Perelman School of Medicine at the University of Pennsylvania
    MEDICAL EDUCATION, 1979
  • CEME/Mount Sinai Medical Center Program
    RESIDENCY

Hospital affiliations

Dr. Klapholz is able to admit and treat patients at the following hospitals.

  • North Shore University Hospital
    B
    Hospital safety grade (Fall 2018)
  • North Shore University Hospital at Syosset
    C
    Hospital safety grade (Fall 2018)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Affinity Health Plan
  • Anthem
  • Assurant Health
  • AvMed
  • Avera
  • Beacon Health Strategies
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Shield of California
  • Capital District Physicians Health Plan
  • CareFirst BlueCross BlueShield
  • Cigna
  • CoreSource
  • Coventry Health Care
  • EmblemHealth
  • Evergreen Health Cooperative
  • Fallon Health
  • First Choice Health
  • FirstCare Health Plans
  • Geisinger Health Plan
  • Group Health Cooperative
  • Group Health Cooperative of South Central Wisconsin
  • Harvard Pilgrim Health Care
  • Hawaii Medical Assurance Association
  • Health Alliance Plan of Michigan
  • Health First
  • Health Net
  • Health New England
  • HealthCare Partners
  • HealthNow New York
  • HealthPartners
  • HealthPlus
  • HealthSCOPE Benefits
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Hill Physicians
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Independent Health
  • Indiana University Health Plan
  • Lifetime Healthcare
  • MVP Health Care
  • Magellan Health
  • MagnaCare
  • Mayo Clinic Health Solutions
  • MedCost
  • Medica
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • MultiPlan
  • Optima Health
  • PacificSource
  • Pomco
  • PreferredOne
  • Priority Health
  • Providence Health Plan
  • Regence Blue Cross Blue Shield
  • Rocky Mountain Health Plans
  • SelectHealth
  • Southeastern Indiana Health Organization
  • TRICARE
  • Tufts Health Plan
  • UPMC Health Plan
  • United Healthcare
  • ValueOptions
  • WellMed Medical Management