Doctor profile · Federal record
Dr. Julian Ambrus, MD
Allergy & Immunology (Internal Medicine) Physician (CMS: Allergy/Immunology) · Williamsville, NY
- NPI 1811919988
- Accepts Medicare
- MIPS 75.6 / 100 · 2023
- 47 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 International Dr
Williamsville, NY 142215771
(716) 631-3555
fax (716) 631-9525
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 6, 2020
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207RA0201X — NUCC code
- State license (1)
- New York #144925
- Medicaid
- NY #01679881
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811919988. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,527
Distinct HCPCS
8
Medicare allowed
$105,561
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3480 |
Injection, potassium chloride, per 2 meq | 2,623 | 24 | $0 | |
J3475 |
Injection, magnesium sulfate, per 500 mg | 979 | 22 | $1 | |
J7042 |
5% dextrose/normal saline (500 ml = 1 unit) | 608 | 20 | $1 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 558 | 25 | $60 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 302 | 140 | $117 | |
J7030 |
Infusion, normal saline solution , 1000 cc | 228 | 12 | $3 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 212 | 117 | $161 | |
36415 |
Insertion of needle into vein for collection of blood sample | 17 | 16 | $8 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 567. This provider delivers 9.7× the peer median.Open Payments
Industry payments received
All-time total
$1,809
Transactions
88
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 16 | $346.25 | |
| Amgen Inc. | 11 | $226.87 | |
| BioCryst US Sales Co., LLC | 11 | $211.04 | |
| Lilly USA, LLC | 12 | $174.50 | |
| PFIZER INC. | 7 | $146.00 | |
| UCB, Inc. | 6 | $141.65 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 6 | $137.58 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 4 | $93.61 | |
| GlaxoSmithKline, LLC. | 4 | $75.47 | |
| Exact Sciences Corporation | 2 | $41.69 | |
| Grifols USA, LLC | 2 | $41.31 | |
| Janssen Biotech, Inc. | 2 | $40.15 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $37.07 | |
| SOBI, INC | 2 | $31.06 | |
| Aurinia Pharma U.S., Inc. | 1 | $22.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,512
Patients
721
Total drug cost
$227,255
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levocarnitine | Generic | 602 | 173 | $62,698 |
| Hydroxychloroquine Sulfate | Generic | 255 | 44 | $12,740 |
| Azelastine Hcl | Generic | 204 | 96 | $9,563 |
| Folic Acid | Generic | 170 | 40 | $1,570 |
| Cevimeline Hcl | Generic | 161 | 42 | $28,762 |
| Verapamil Hcl | Generic | 155 | 47 | $2,996 |
| Cilostazol | Generic | 151 | 36 | $3,510 |
| Cyproheptadine Hcl | Generic | 130 | 31 | $5,703 |
| Fluticasone Propionate | Generic | 111 | 37 | $1,940 |
| Pilocarpine Hcl | Generic | 106 | 31 | $7,482 |
Hospital affiliations
Frequently asked questions
What is Dr. Julian Ambrus's medical specialty?
Dr. Julian Ambrus practices Allergy & Immunology (Internal Medicine) Physician in Williamsville, NY.
Where does Dr. Julian Ambrus practice?
Dr. Julian Ambrus practices at 400 International Dr, Williamsville, NY 142215771. Office phone: 7166313555.
What is Dr. Julian Ambrus's NPI?
Dr. Julian Ambrus's National Provider Identifier (NPI) is 1811919988, issued by NPPES.
Does Dr. Julian Ambrus accept Medicare assignment?
Yes. Dr. Julian Ambrus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julian Ambrus commonly perform?
Top Medicare-reported procedures in 2023: Injection, potassium chloride, per 2 meq (HCPCS J3480); Injection, magnesium sulfate, per 500 mg (HCPCS J3475); 5% dextrose/normal saline (500 ml = 1 unit) (HCPCS J7042). Source: CMS Medicare Physician & Other Practitioners file.