Dr. Mary B. Deegan Haff
Dr. Mary B. Deegan Haff
Last updated: Apr 28, 2026

Dr. Mary B. Deegan Haff

  • Gender: Female
  • Sole propriator: Yes
  • NPI: 1659565919

Dr. Mary B. Deegan Haff M.D.

Pediatrician

She is located at 259 1st Street in Mineola, NY 11501. Can help patients with the following: Allergic Reaction, Cerebral Palsy (CP), Developmental Delays, Phenylketonuria (PKU), Rickets, Speech Disorders. Her National Provider Identifier (NPI) number is 1659565919. Appointment can be made via the phone number (516) 663-2829. She is affiliated with 1 practices.

Conditions treated

Dr. Mary B. Deegan Haff, being an pediatrician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mary B. Deegan Haff.

  • Abdominal Pain
  • Allergic Reaction
  • Anemia
  • Anencephaly
  • Asthma
  • Autism
  • Bee and Wasp Stings
  • Birth Defects
  • Bronchitis
  • Cerebral Palsy (CP)
  • Childhood Behavioral and Emotional Disorders
  • Childhood Obesity
  • Chronic Cough
  • Cleft Palate and Cleft Lip
  • Colic
  • Common Cold
  • Croup
  • Developmental Delays
  • Down Syndrome
  • Dyslexia
  • Eczema
  • Edwards Syndrome
  • Enuresis
  • Fetal Alcohol Syndrome (FAS)
  • Fever
  • Food Poisoning
  • Fragile X Syndrome (FXS)
  • General Care
  • Hay Fever
  • Head Lice
  • Headache
  • Hives
  • Infant Care
  • Influenza
  • Jaundice
  • Kawasaki Disease
  • Learning Disability
  • Migraine
  • Muscular Dystrophy
  • Nausea and Vomiting
  • Noonan Syndrome
  • Parenting
  • Pervasive Developmental Disorders (PDD)
  • Phenylketonuria (PKU)
  • Pinworm Infection
  • Prescription Refill
  • Reye Syndrome
  • Rickets
  • Sinusitis
  • Skin Rash
  • Sore Throat
  • Speech Disorders
  • Stuttering
  • Sudden Infant Death Syndrome (SIDS)
  • Tourette Syndrome
  • Turner Syndrome
  • Upper Respiratory Infection (URI)
  • Urinary Tract Infection (UTI)
  • Williams Syndrome
  • Wilson-Turner Syndrome

Medicare Enrollment

Dr. Mary B. Deegan Haff is enrolled to bill Medicare as a Practitioner - Emergency Medicine .

Bills through: New York University

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Affiliated practices

Oppenheimer/Marchitelli MDS
2073 Newbridge Road
Bellmore, 11710 NY
(516) 781-9898

Looking for more Pediatricians?

Out of the 80 pediatricians in this region, here are 10 randomly selected ones for you to explore.

Dr. Ranjith Kamity
  • Gender: Male
  • Address: 259 1st Street Mineola, 11501, NY
Dr. Moris Alejandro Angulo
  • Gender: Male
  • Address: Suite 210 120 Mineola Boulevard Mineola, 11501, NY
Dr. Philip George Scimeca
  • Gender: Male
  • Address: Suite 460 120 Mineola Boulevard Mineola, 11501, NY
Dr. Elissa Hope Rubin
  • Gender: Female
  • Address: Suite 175 77 Jericho Turnpike Mineola, 11501, NY
Dr. Teofilita Isaacson
  • Gender: Female
  • Address: 259 1st Street Mineola, 11501, NY
Dr. Mariano Salvador Castro-Magana
  • Gender: Male
  • Address: Suite 210 120 Mineola Boulevard Mineola, 11501, NY
Dr. Chana Glasser
  • Gender: Female
  • Address: Suite 460 120 Mineola Boulevard Mineola, 11501, NY
Dr. Robert Changru Lee
  • Gender: Male
  • Address: Suite 611 222 Station Plaza North Mineola, 11501, NY
Dr. Lale Seher Akaydin
  • Gender: Female
  • Address: 259 1st Street Mineola, 11501, NY
Dr. Jay A. Wong
  • Gender: Male
  • Address: 259 1st Street Mineola, 11501, NY

Questions & Answers

What conditions does Dr. Mary B. Deegan Haff treat?

Dr. Mary B. Deegan Haff provides treatment for Allergic Reaction, Cerebral Palsy (CP), Developmental Delays, Phenylketonuria (PKU), Rickets, Speech Disorders. For the full list see this list.

Does Dr. Mary B. Deegan Haff have affiliation with practices?

Dr. Mary B. Deegan Haff is affiliated with Oppenheimer/Marchitelli MDS.

Where can you meet with Dr. Mary B. Deegan Haff?

Dr. Mary B. Deegan Haff's office is located at 259 1st Street in Mineola, NY 11501.

Does Dr. Mary B. Deegan Haff accept insurance?

Unfortunately we don't have any information if Dr. Mary B. Deegan Haff accepts insurance.