Experienced in Malabsorption

Dr. Stanislaw Klek

Endocrinology
Winthrop Faculty Medical Affiliates University Faculty Practice Corpor
101 Mineola Blvd Fl 2, 
Mineola, NY 
Offers Telehealth
17 Years of Experience

Experienced in Malabsorption
Winthrop Faculty Medical Affiliates University Faculty Practice Corpor
101 Mineola Blvd Fl 2, 
Mineola, NY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Stanislaw Klek is an Endocrinologist in Mineola, New York. Dr. Klek has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Malabsorption. His top areas of expertise are Malnutrition, Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Gastrostomy, and Endoscopy.

His clinical research consists of co-authoring 108 peer reviewed articles and participating in 7 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 2 articles and participated in 2 clinical trials in the study of Malabsorption.

Graduate Year
2009
Specialties
Endocrinology
Licenses
Internal Medicine in NY
Hospital Affiliations
Nyu Langone Hospitals
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
CenterLight Healthcare
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health First
  • HMO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Northwell Health
  • INSURANCE PLAN
Oscar
  • EPO
  • HMO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 16 Less Insurance Carriers -

Locations

Winthrop Faculty Medical Affiliates University Faculty Practice Corpor
101 Mineola Blvd Fl 2, Mineola, NY 11501
Call: 516-663-3511
Other Locations
Sears Optical #C0865
1111 Franklin Ave, Garden City, NY 11530
Call: 516-663-3511

Additional Areas of Focus

Dr. Klek has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Hypoparathyroidism

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


7 Clinical Trials

Impact of Immunomodulating Oral Nutrition on Surgical Complications
Impact of Immunomodulating Oral Nutrition on Surgical Complications
Enrollment Status: Completed
Publish Date: January 13, 2026
Intervention Type: Dietary supplement
Study Phase: Not Applicable
A Randomized, Controlled, Double-blind, Multicenter Clinical Trial on Home Parenteral Nutrition Using an Omega-3 Fatty Acid Enriched MCT/LCT Lipid Emulsion
A Randomized, Controlled, Double-blind, Multicenter Clinical Trial on Home Parenteral Nutrition Using an Omega-3 Fatty Acid Enriched MCT/LCT Lipid Emulsion
Enrollment Status: Completed
Publish Date: July 04, 2025
Intervention Type: Drug
Study Phase: Phase 4
A Phase IIa, Proof of Concept, Randomized, Double-Blind, Dose-Finding, Cross-Over Study of the Efficacy, Safety and Tolerability of a New Enteric-Coated Cholestyramine Capsule in Adult Short Bowel Syndrome Patients
A Phase IIa, Proof of Concept, Randomized, Double-Blind, Dose-Finding, Cross-Over Study of the Efficacy, Safety and Tolerability of a New Enteric-Coated Cholestyramine Capsule in Adult Short Bowel Syndrome Patients
Enrollment Status: Terminated
Publish Date: July 19, 2022
Intervention Type: Drug
Study Drug: Enteric-Coated Cholestyramine (ECC) Capsule
Study Phase: Phase 2
Preoperative Use of the High Protein ONS vs Immunoenhancing ONS in Gastrointestinal Cancer Patients Undergoing Surgery
Preoperative Use of the High Protein ONS vs Immunoenhancing ONS in Gastrointestinal Cancer Patients Undergoing Surgery
Enrollment Status: Completed
Publish Date: July 26, 2021
Intervention Type: Drug
Study Phase: Phase 4
The Use of Dipeptidyl Peptidase-4 Inhibitor Influences the Absorption of Intestine in Short Bowel Syndrome
The Use of Dipeptidyl Peptidase-4 Inhibitor Influences the Absorption of Intestine in Short Bowel Syndrome
Enrollment Status: Terminated
Publish Date: April 15, 2020
Intervention Type: Drug
Study Phase: Phase 4
The Early Closure of the Protective Ileostomy After Low Anterior Resection Enables Correct Start of Chemotherapy
The Early Closure of the Protective Ileostomy After Low Anterior Resection Enables Correct Start of Chemotherapy
Enrollment Status: Completed
Publish Date: April 03, 2018
Intervention Type: Procedure
Study Phase: Not Applicable
PHASE ANGLE PROJECT
PHASE ANGLE PROJECT
Enrollment Status: Completed
Publish Date: October 26, 2017
View 6 Less Clinical Trials

108 Total Publications

A new diagnosis code in ICD-11 for Undernutrition in Adults - A historic achievement for the clinical nutrition community.
A new diagnosis code in ICD-11 for Undernutrition in Adults - A historic achievement for the clinical nutrition community.
Journal: Clinical nutrition (Edinburgh, Scotland)
Published: October 31, 2025
View All 108 Publications
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 (9.7 miles away)
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Marcella Walker is an Endocrinologist in New York, New York. Dr. Walker is rated as a Distinguished provider by MediFind in the treatment of Malabsorption. Her top areas of expertise are Hyperparathyroidism, Osteoporosis, Postmenopausal Osteoporosis, Hypercalcemia, and Parathyroidectomy.

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155 Crystal Run Rd, 
Middletown, NY 
 (54.4 miles away)
845-703-6999
Languages Spoken:
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Nicholas Avitabile is an Endocrinologist in Middletown, New York. Dr. Avitabile is rated as a Distinguished provider by MediFind in the treatment of Malabsorption. His top areas of expertise are Type 2 Diabetes (T2D), Multiple Endocrine Neoplasia Type 2, Multiple Endocrine Neoplasia, Obesity in Children, and Parathyroidectomy.

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Richard Berkowitz is an Endocrinologist in Wayne, New Jersey. Dr. Berkowitz is rated as an Advanced provider by MediFind in the treatment of Malabsorption. His top areas of expertise are Somatostatinoma, Diabetic Neuropathy, Malabsorption, and Type 1 Diabetes (T1D).

VIEW MORE MALABSORPTION DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Klek's expertise for a condition
ConditionClose
      • Advanced
      • Gastrostomy
        Dr. Klek is
        Advanced
        . Learn about Gastrostomy.
        See more Gastrostomy experts
      • Malnutrition
        Dr. Klek is
        Advanced
        . Learn about Malnutrition.
        See more Malnutrition experts
      • Type 2 Diabetes (T2D)
        Dr. Klek is
        Advanced
        . Learn about Type 2 Diabetes (T2D).
        See more Type 2 Diabetes (T2D) experts
      • Experienced
      • Addison's Disease
        Dr. Klek is
        Experienced
        . Learn about Addison's Disease.
        See more Addison's Disease experts
      • Adrenal Insufficiency Pediatric
        Dr. Klek is
        Experienced
        . Learn about Adrenal Insufficiency Pediatric.
        See more Adrenal Insufficiency Pediatric experts
      • Cushing's syndrome
        Dr. Klek is
        Experienced
        . Learn about Cushing's syndrome.
        See more Cushing's syndrome experts
      • Diabetic Ketoacidosis
        Dr. Klek is
        Experienced
        . Learn about Diabetic Ketoacidosis.
        See more Diabetic Ketoacidosis experts
      • Endoscopy
        Dr. Klek is
        Experienced
        . Learn about Endoscopy.
        See more Endoscopy experts
      • Hyperthyroidism
        Dr. Klek is
        Experienced
        . Learn about Hyperthyroidism.
        See more Hyperthyroidism experts
      View All 17 Experienced Conditions
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