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 English, Spanish
  • North Shore University Hospital
  • 3 written reviews
  • 1 specialty
  • 5 areas of expertise
  • 5 hospital affiliations
  • 7 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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

Compare with Similar Doctors

Dr Mark Bernard Welles
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Dr Mark Bernard WellesDr. Jennifer M Hammond, MDMarie A Brunelli, MDThomas Ciecierega, MD
PediatricsPediatricsPediatricsPediatrics
Accepts New Patients Accepts New Patients
4 
0 
0 
4 
48 Years of Experience 11 Years of Experience 12 Years of Experience 23 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option Virtual Visit Available
Speaks English, Spanish Speaks English, Polish
New Hyde Park , NYNew York , NYBrooklyn , NYNew York , NY
Med School: University Of Graz Med School: Boston University School Of Medicine Med School: St Georges University School Of Medicine Med School: Poznan Univ Of Medical Sciences Center For Medical Education In English
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

Dr Mark Bernard Welles holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at North Shore University Hospital.

Medical School

Graduated from University Of Graz and Karl-Franzens Univ Of Graz Med Fac Austria in 1978.

NPI Number

Dr Welles' NPI number is 1295806297.

Similar Doctors

Frequently Asked Questions

Does Dr Mark Welles accept my insurance?
You can see the insurance plans that Dr Mark Welles accepts on their Vitals profile.
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.
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.
What languages does Dr Mark Welles speak?
Dr Mark Welles speaks English and Spanish.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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