Distinguished in Malnutrition

Dr. John Bilezikian

Internal Medicine
NewYork Presbyterian Columbia University Irving Medical Center
180 Fort Washington Ave, 
New York, NY 
Offers Telehealth
53 Years of Experience
Distinguished in Malnutrition
NewYork Presbyterian Columbia University Irving Medical Center
180 Fort Washington Ave, 
New York, NY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

John Bilezikian is an Internal Medicine provider in New York, New York. Dr. Bilezikian has been practicing medicine for over 53 years and is rated as a Distinguished provider by MediFind in the treatment of Malnutrition. His top areas of expertise are Hyperparathyroidism, Hypoparathyroidism, Hypercalcemia, Parathyroidectomy, and Hormone Replacement Therapy (HRT).

His clinical research consists of co-authoring 298 peer reviewed articles and participating in 2 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 35 articles in the study of Malnutrition.

Specialties
Internal Medicine
Licenses
Internal Medicine in NY
Hospital Affiliations
New York-Presbyterian Hospital
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
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
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
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Northwell Health
  • INSURANCE PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 11 Less Insurance Carriers -

Locations

NewYork Presbyterian Columbia University Irving Medical Center
180 Fort Washington Ave, New York, NY 10032
Call: 212-305-2663

Additional Areas of Focus

Dr. Bilezikian 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
Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)

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.

2 Clinical Trials

PARADIGHM (Physicians Advancing Disease Knowledge in Hypoparathyroidism): A Registry for Patients With Chronic Hypoparathyroidism
PARADIGHM (Physicians Advancing Disease Knowledge in Hypoparathyroidism): A Registry for Patients With Chronic Hypoparathyroidism
Enrollment Status: Active_not_recruiting
Publish Date: September 29, 2025
Intervention Type: Other
Coral Calcium's Effect on Bone Density in Postmenopausal Women With and Without Ibandronate
Coral Calcium's Effect on Bone Density in Postmenopausal Women With and Without Ibandronate
Enrollment Status: Completed
Publish Date: May 09, 2024
Intervention Type: Drug, Dietary supplement
Study Drug: Ibandronate
Study Phase: Phase 2
View 1 Less Clinical Trial

298 Total Publications

Skeletal Microstructure in Addison's Disease.
Skeletal Microstructure in Addison's Disease.
Journal: Journal of the Endocrine Society
Published: September 28, 2025
View All 298 Publications
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Elion Krok is an Internal Medicine provider in West Orange, New Jersey. Dr. Krok is rated as a Distinguished provider by MediFind in the treatment of Malnutrition. His top areas of expertise are Malnutrition, Obesity, Protein Deficiency, Childhood Hypophosphatasia (HPP), and Gastrostomy.

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973-442-3016
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 (29.5 miles away)
973-540-1000
Languages Spoken:
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Carla Flynn is a primary care provider, practicing in Internal Medicine and Endocrinology in Morristown, New Jersey. Dr. Flynn is rated as an Advanced provider by MediFind in the treatment of Malnutrition. Her top areas of expertise are Malnutrition, Gastrointestinal Fistula, Systemic Sclerosis (SSc), and Scleroma. Dr. Flynn is currently accepting new patients.

VIEW MORE MALNUTRITION 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. Bilezikian's expertise for a condition
ConditionClose
  • Elite
  • Hypercalcemia
    Dr. Bilezikian is
    Elite
    . Learn about Hypercalcemia.
    See more Hypercalcemia experts
  • Hyperparathyroidism
    Dr. Bilezikian is
    Elite
    . Learn about Hyperparathyroidism.
    See more Hyperparathyroidism experts
  • Hypoparathyroidism
    Dr. Bilezikian is
    Elite
    . Learn about Hypoparathyroidism.
    See more Hypoparathyroidism experts
  • Milk-Alkali Syndrome
    Dr. Bilezikian is
    Elite
    . Learn about Milk-Alkali Syndrome.
    See more Milk-Alkali Syndrome experts
  • Osteoporosis
    Dr. Bilezikian is
    Elite
    . Learn about Osteoporosis.
    See more Osteoporosis experts
  • Parathyroidectomy
    Dr. Bilezikian is
    Elite
    . Learn about Parathyroidectomy.
    See more Parathyroidectomy experts
View All 7 Elite Conditions
  • Distinguished
  • Malnutrition
    Dr. Bilezikian is
    Distinguished
    . Learn about Malnutrition.
    See more Malnutrition experts
  • Osteitis Fibrosa
    Dr. Bilezikian is
    Distinguished
    . Learn about Osteitis Fibrosa.
    See more Osteitis Fibrosa experts
  • Parathyroid Hyperplasia
    Dr. Bilezikian is
    Distinguished
    . Learn about Parathyroid Hyperplasia.
    See more Parathyroid Hyperplasia experts
  • Advanced
  • Familial Isolated Hyperparathyroidism
    Dr. Bilezikian is
    Advanced
    . Learn about Familial Isolated Hyperparathyroidism.
    See more Familial Isolated Hyperparathyroidism experts
  • Fractured Spine
    Dr. Bilezikian is
    Advanced
    . Learn about Fractured Spine.
    See more Fractured Spine experts
  • Hormone Replacement Therapy (HRT)
    Dr. Bilezikian is
    Advanced
    . Learn about Hormone Replacement Therapy (HRT).
    See more Hormone Replacement Therapy (HRT) experts
  • Hypophosphatasia (HPP)
    Dr. Bilezikian is
    Advanced
    . Learn about Hypophosphatasia (HPP).
    See more Hypophosphatasia (HPP) experts
  • Hypophosphatemia
    Dr. Bilezikian is
    Advanced
    . Learn about Hypophosphatemia.
    See more Hypophosphatemia experts
  • Menopause
    Dr. Bilezikian is
    Advanced
    . Learn about Menopause.
    See more Menopause experts
View All 11 Advanced Conditions
  • Experienced
  • Autosomal Dominant Hypocalcemia
    Dr. Bilezikian is
    Experienced
    . Learn about Autosomal Dominant Hypocalcemia.
    See more Autosomal Dominant Hypocalcemia experts
  • Calcinosis
    Dr. Bilezikian is
    Experienced
    . Learn about Calcinosis.
    See more Calcinosis experts
  • Congenital Hypothyroidism
    Dr. Bilezikian is
    Experienced
    . Learn about Congenital Hypothyroidism.
    See more Congenital Hypothyroidism experts
  • Fibrous Dysplasia
    Dr. Bilezikian is
    Experienced
    . Learn about Fibrous Dysplasia.
    See more Fibrous Dysplasia experts
  • Juvenile Primary Osteoporosis
    Dr. Bilezikian is
    Experienced
    . Learn about Juvenile Primary Osteoporosis.
    See more Juvenile Primary Osteoporosis experts
  • Kienbock's Disease
    Dr. Bilezikian is
    Experienced
    . Learn about Kienbock's Disease.
    See more Kienbock's Disease experts
View All 19 Experienced Conditions
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