Summary

Dr Welles graduated from the University of Graz,Karl-Franzens Univ of Graz Med Fac Austria in 1978. He works in New Hyde Park, NY and 4 other locations and specializes in Pediatrics. Dr Welles is affiliated with Long Island Jewish Medical Center, NORTHWELL HEALTH HOSPITAL, Cohen Childrens Medical Center, Katz Womens Hospital At Long Island Jewish Medical Center and KATZ WOMENS HOSPITAL AT NORTH SHORE UNIVERSITY HOSPITAL.

Quick Facts

  • 4
  • 48 years of experience
  • speaks Spanish, English
  • North Shore University Hospital
  • 3 written reviews
  • 1 specialty
  • 5 areas of expertise
  • 1 board certification
  • 5 hospital affiliations
  • 7 office locations
  • Male

Office Locations

Dr Mark Bernard Welles has 7 locations

Northwell Health Adolescent And Pediatric Medicine

410 Lakeville Rd Ste 108New Hyde Park, NY 11042
Mon8:30 am - 7:30 pm
Tue8:30 am - 7:30 pm
Wed8:30 am - 7:30 pm
Thu8:30 am - 7:30 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 10:00 am
Sun8:00 am - 10:00 am

General Pediatrics At Great Neck

225 Community Dr Ste 130Great Neck, NY 11021
Mon8:00 am - 7:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 7:00 pm
Thu8:00 am - 7:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Cohen Childrens Medical Center

26901 76th AveNew Hyde Park, NY 11040

Long Island Jewish Medical Center

27005 76th AveNew Hyde Park, NY 11040

Northwell Health Hospital

300 Community DrManhasset, NY 11030

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Dr Mark Bernard Welles
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Dr Mark Bernard WellesDr. Tamar HeislerDr. Anne H Armstrong-Coben, MDDr. Alicia M. Mcbride, MD
PediatricsPediatricsPediatricsPediatrics
Accepts New Patients Accepts New Patients
48 Years of Experience 18 Years of Experience 35 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks Spanish, English Speaks English Speaks Spanish, English
New Hyde Park , NYFranklin , TNNew York , NYFlushing , NY
Med School: University Of Graz Med School: Sackler School of Medicine -- Tel-Aviv University Med School: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS Med School: Universidad Central De Venezuela Escuela De Medicina Jose Maria Vargas
Current Profile
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Insurance Plans Accepted by Dr Mark Bernard Welles

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr Mark Bernard Welles has the following specialty

Specialty Expertise

Dr Mark Bernard Welles has the following 5 areas of expertise

  • Check-up
  • Immunization
  • Pediatric Diabetes
  • Physical
  • Vaccination

Certifications, License, & Education

48 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Active

EDUCATION & TRAINING

Residency

North Shore University Hospital

Medical School

University Of Graz
Karl-Franzens Univ Of Graz Med Fac AustriaGraduated in 1978

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Frequently Asked Questions

What languages does Dr Mark Welles speak?
Dr Mark Welles speaks Spanish and English.
Where is Dr Mark Welles's office located?
Dr Mark Welles's office is located at 410 Lakeville Rd Ste 108, New Hyde Park, NY, 11042.
Is Dr Mark Welles accepting new patients?
Dr Mark Welles has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr Mark Welles?
You can find contact information for Dr Mark Welles here on Vitals.
Does Dr Mark Welles accept my insurance?
You can see the insurance plans that Dr Mark Welles accepts on their Vitals profile.

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