Julian Ambrus, MD
Julian Ambrus is an Allergy & Immunology specialist based in Williamsville, NY with over 47 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
With over 47 years in internal medicine, Julian Ambrus, MD is a long-established allergy & immunology specialist in Williamsville. He graduated from Jefferson Medical College of Thomas Jefferson University in 1979 and has 47+ years of clinical experience. He regularly sees Medicare patients with arthritis, high cholesterol, and hypertension (per CMS claims data). CMS MIPS quality score: 77.26/100 (2023).
At a glance
- Prescribes opioids less than 23% of reporting doctors in New York
- Uses generic medications more than 42% of reporting doctors in New York
- Federal MIPS score higher than 15% of MIPS-scored doctors in New York
- Virtual visits available — no app or travel required
Older · 2239dNPPES updated 2020-04-06 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
400 International Dr, Williamsville, NY 14221-5771
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202377.26/100
New York avg: 87 · US avg: 83.6
⚠ Lower than most doctors nationally(-6.3 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better2.33%
New York avg: 3.5 · US avg: 5.1
✓ Higher than most doctors nationally(-2.8 pts)
2.33% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better85.2%
New York avg: 82 · US avg: 82.8
✓ Higher than most doctors nationally(+2.4 pts)
Typical range among reporting doctors in New YorkHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
190
Unique beneficiaries
Standard volumePrescription Recipients
364
Patients prescribed
Prescriptions Written
4,927
Total claims
Total Medicare drug cost: $2.62M
Percentile rankings compared against 8,064 reporting peers in New York.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Arthritis, High Cholesterol, and Hypertension.
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+17%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-8%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-17%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+15%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+9%) — a focus area for this doctor
A condition causing airway inflammation, wheezing, and difficulty breathing
US avg: 13.3%↑ More patients than average (+17%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-12%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$1.8k received from industry
90 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Julian Ambrus's NPI.
Patient Reviews
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1979
Sidney Kimmel Medical College at Thomas Jefferson University
Board certified · Apr 5, 2020
Self-reported via NPPES
47 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
Taxonomy: 207RA0201X
Education & Training
Jefferson Medical College of Thomas Jefferson University (Class of 1979)
Virtual Allergy & Immunology Care With Julian Ambrus
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Julian Ambrus for arthritis follow-ups, cholesterol management, blood pressure monitoring — no travel to Williamsville required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Julian Ambrus
NPI records show Dr. Ambrus as active with telehealth listed in Williamsville, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (716) 631-3555.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Julian Ambrus
Practice Location
400 International Dr, Williamsville, NY 14221-5771
Mailing Address
400 International Dr, Williamsville, NY 14221-5771
This is a provider directory. Contact the office directly to schedule appointments.
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