Distinguished in Intersex

Dr. Phyllis Speiser

Pediatric Endocrinology
Office
1991 Marcus Ave Ste M100, 
New Hyde Park, NY 

Distinguished in Intersex
Office
1991 Marcus Ave Ste M100, 
New Hyde Park, NY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Phyllis Speiser is a Pediatric Endocrinologist in New Hyde Park, New York. Dr. Speiser is rated as a Distinguished provider by MediFind in the treatment of Intersex. Her top areas of expertise are Congenital Adrenal Hyperplasia (CAH), Intersex, Ovarian Overproduction of Androgens, and Familial Glucocorticoid Deficiency.

Her clinical research consists of co-authoring 35 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, she has co-authored 22 articles in the study of Intersex.

Specialties
Pediatric Endocrinology
Licenses
Pediatric Endocrinology in NY
Languages Spoken
English
Gender
Female

Insurance

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

Find your insurance
Find your insuranceClose

Locations

Office
1991 Marcus Ave Ste M100, New Hyde Park, NY 11042
Call: 516-472-3750

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.


35 Total Publications

Integration of Adjunctive Therapy for Congenital Adrenal Hyperplasia.
Integration of Adjunctive Therapy for Congenital Adrenal Hyperplasia.
Journal: Children (Basel, Switzerland)
Published: June 27, 2025
View All 35 Publications
Similar Doctors
Advanced in Intersex
Dr. Ahmed Khattab
Pediatric Endocrinology
Advanced in Intersex
Dr. Ahmed Khattab
Pediatric Endocrinology

Ahmed Khattab MD

89 French St, 
New Brunswick, NJ 
 (43.7 miles away)
973-891-9322
Languages Spoken:
English
See accepted insurances

Ahmed Khattab is a Pediatric Endocrinologist in New Brunswick, New Jersey. Dr. Khattab is rated as an Advanced provider by MediFind in the treatment of Intersex. His top areas of expertise are Congenital Adrenal Hyperplasia (CAH), Familial Glucocorticoid Deficiency, Intersex, Percutaneous Coronary Intervention (PCI), and Atherectomy.

Advanced in Intersex
Dr. Svetlana Ten
Pediatric Endocrinology
Advanced in Intersex
Dr. Svetlana Ten
Pediatric Endocrinology

Richmond Medical Health Care P.C.

2691 Hylan Blvd, 
Staten Island, NY 
 (25.6 miles away)
718-980-1790
Languages Spoken:
English
See accepted insurances

Svetlana Ten is a Pediatric Endocrinologist in Staten Island, New York. Dr. Ten is rated as an Advanced provider by MediFind in the treatment of Intersex. Her top areas of expertise are Congenital Hyperinsulinism, Acanthosis Nigricans, Intersex, and Panhypopituitarism.

Advanced in Intersex
Dr. Joan Han
Pediatric Endocrinology
Advanced in Intersex
Dr. Joan Han
Pediatric Endocrinology

Mount Sinai Pediatric Visiting Doctors And Complex Care Program

1468 Madison Ave Fl 4, 
New York, NY 
 (13.3 miles away)
212-241-6936
Languages Spoken:
English
See accepted insurances

Joan Han is a Pediatric Endocrinologist in New York, New York. Dr. Han is rated as a Distinguished provider by MediFind in the treatment of Intersex. Her top areas of expertise are Obesity, Obesity in Children, Tetrasomy X, and Acanthosis Nigricans.

VIEW MORE INTERSEX 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. Speiser's expertise for a condition
ConditionClose
    • Distinguished
    • Congenital Adrenal Hyperplasia (CAH)
      Dr. Speiser is
      Distinguished
      . Learn about Congenital Adrenal Hyperplasia (CAH).
      See more Congenital Adrenal Hyperplasia (CAH) experts
    • Intersex
      Dr. Speiser is
      Distinguished
      . Learn about Intersex.
      See more Intersex experts
      • Experienced
      • Addison's Disease
        Dr. Speiser is
        Experienced
        . Learn about Addison's Disease.
        See more Addison's Disease experts
      • Congenital Hyperinsulinism
        Dr. Speiser is
        Experienced
        . Learn about Congenital Hyperinsulinism.
        See more Congenital Hyperinsulinism experts
      • Cushing's syndrome
        Dr. Speiser is
        Experienced
        . Learn about Cushing's syndrome.
        See more Cushing's syndrome experts
      • Familial Glucocorticoid Deficiency
        Dr. Speiser is
        Experienced
        . Learn about Familial Glucocorticoid Deficiency.
        See more Familial Glucocorticoid Deficiency experts
      • Obesity
        Dr. Speiser is
        Experienced
        . Learn about Obesity.
        See more Obesity experts
      • Obesity in Children
        Dr. Speiser is
        Experienced
        . Learn about Obesity in Children.
        See more Obesity in Children experts
      View All 8 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.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        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
                  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.