Experienced in X-Linked Hypophosphatemia

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

Experienced in X-Linked Hypophosphatemia
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 an Experienced provider by MediFind in the treatment of X-Linked Hypophosphatemia. His top areas of expertise are Hyperparathyroidism, Hypoparathyroidism, Hypercalcemia, Parathyroidectomy, and Hormone Replacement Therapy (HRT).

His clinical research consists of co-authoring 297 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 2 articles in the study of X-Linked Hypophosphatemia.

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.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • 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

297 Total Publications

Too much vitamin D? a drug safety review.
Too much vitamin D? a drug safety review.
Journal: Reviews in endocrine & metabolic disorders
Published: December 06, 2025
View All 297 Publications
Similar Doctors
Advanced in X-Linked Hypophosphatemia
Dr. Lisa Cadoo
Internal Medicine
Advanced in X-Linked Hypophosphatemia
Dr. Lisa Cadoo
Internal Medicine

Office

66 Park St Ste 100, 
Montclair, NJ 
 (14.6 miles away)
973-577-3010
Experience:
17+ years
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Lisa Cadoo is a primary care provider, practicing in Internal Medicine in Montclair, New Jersey. Dr. Cadoo has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of X-Linked Hypophosphatemia. Her top areas of expertise are Vitamin B12 Deficiency, Subacute Combined Degeneration, X-Linked Hypophosphatemia, and Folate-Deficiency Anemia.

Advanced in X-Linked Hypophosphatemia
Dr. Vinod Chacko
Internal Medicine
Advanced in X-Linked Hypophosphatemia
Dr. Vinod Chacko
Internal Medicine

Renaissance Health Care Network

264 W 118th St, 
New York, NY 
 (2.5 miles away)
212-932-6500
Languages Spoken:
English
See accepted insurances

Vinod Chacko is a primary care provider, practicing in Internal Medicine in New York, New York. Dr. Chacko is rated as an Advanced provider by MediFind in the treatment of X-Linked Hypophosphatemia. His top areas of expertise are Familial Hypertriglyceridemia, X-Linked Hypophosphatemia, Sitosterolemia, and Chronic Cough.

Experienced in X-Linked Hypophosphatemia
Dr. Ochuko Iboyitie
Internal Medicine
Experienced in X-Linked Hypophosphatemia
Dr. Ochuko Iboyitie
Internal Medicine

Lwh Medical PC

1811 Hone Ave, 
Bronx, NY 
 (4.5 miles away)
516-499-9016
Languages Spoken:
English
See accepted insurances

Ochuko Iboyitie is a primary care provider, practicing in Internal Medicine in Bronx, New York. Dr. Iboyitie is rated as an Advanced provider by MediFind in the treatment of X-Linked Hypophosphatemia. Her top areas of expertise are Pseudocholinesterase Deficiency, Glyceraldehyde-3-Phosphate Dehydrogenase Deficiency, GTP Cyclohydrolase 1 Deficiency, and Pericarditis.

VIEW MORE X-LINKED HYPOPHOSPHATEMIA 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
Want to save this doctor for later?
Sign Up
Is this your doctor?
Find A Second Opinion
Not sure about your diagnosis?
Check Your Symptoms
 
 
 
 
Learn about our expert tiers
Learn More
Are you the provider on this profile?
Claim Profile
For Patients
  • Our Story
  • How MediFind Works
  • Conditions A-Z
  • Doctor Directory
  • Symptoms Directory
  • Procedures Directory
  • Treatment Directory
  • Drug Directory
  • Infusion Center Finder
  • FAQ
  • Contact Us
For Providers and Practices
  • Claim Your Profile
  • Newsroom
Business Solutions
  • Provider
  • Network Solutions
Additional Resources
  • Consumer Health Data Privacy Policy
  • Privacy Policy
  • Terms of Use
  • Advertising Policy
  • Content Policy
Subscribe to our newsletter

Sign up to stay informed about MediFind and get wellness sent your way.

Close

    By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

    Bullet PinMediFind
    Follow us on
    This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
    © 2026 All Rights Reserved

    Request an Appointment

    If you are experiencing a medical emergency, call 9-1-1.

    Once you submit your request, MediFind will reach out to the provider’s office to help schedule your appointment. Note that this is not a confirmed booking. You’ll receive a status update via email within 1–2 business days.

    Patient Details

    This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

              0 / 1000
              By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.