Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Julian Ambrus Jr., MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1811919988

Julian Ambrus Jr., MD is an Allergy/Immunology in Williamsville, New York. Graduated from Jefferson Medical College of Thomas Jefferson University in 1979, 47 years ago. Practices with Brain and Spine Medical Services PLLC, a 56-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
47
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

400 International Dr
Williamsville, NY 14221-5771
Phone: (716) 631-3555
Fax: (716) 631-9525
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence 144925 (NY)

Record details

NPI number1811919988
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESApril 6, 2020
Certification dateApril 6, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1979 (47 years in practice)
Group practice Brain And Spine Medical Services Pllc — 56 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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