Doctor profile · Federal record

Dr. Anthony Szema, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Research Study Specialist · Allergy Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · South Setauket, NY

  • NPI 1831159649
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3771 Nesconset Hwy, Suite 105
South Setauket, NY 117201163
(631) 675-6474
fax (631) 675-6475

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
November 22, 2022
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
New York #194679

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831159649. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18,926
Distinct HCPCS
10
Medicare allowed
$599,704
HCPCS Description Services Patients Avg allowed
J2357 Injection, omalizumab, 5 mg 12,122 31 $38
95004 Test for allergy using allergenic extract 2,344 45 $5
95044 Test for allergy using skin patch 1,147 25 $6
95165 Professional service for preparation and provision of 1 or more antigens 910 25 $18
96372 Injection of drug or substance under skin or into muscle 495 44 $16
99213 Established patient office or other outpatient visit, 20-29 minutes 304 124 $105
95117 Professional service for multiple injections of allergen 298 22 $14
95115 Professional service for single injection of allergen 229 15 $13
95024 Test for allergy using allergenic extract injected into skin 196 14 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 150 72 $148

In context: peer comparison

Among 1 peers in South Setauket Allergy & Immunology Physician, average services per provider: 700. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $39.86

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
381
Patients
159
Total drug cost
$942,762
Drug Type Claims Patients Total cost
Epinephrine Generic 81 65 $26,893
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 70 39 $3,024
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 47 17 $74,259
Symbicort (Budesonide/Formoterol Fumarate) Brand 35 11 $27,061
Ipratropium Bromide Generic 25 12 $1,319
Montelukast Sodium Generic 25 0 $224
Prednisone Generic 23 15 $94
Fasenra (Benralizumab) Brand 19 0 $103,854
Xolair (Omalizumab) Brand 16 0 $45,086
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 15 0 $16,443

Frequently asked questions

Auto-generated from federal data
What is Dr. Anthony Szema's medical specialty?
Dr. Anthony Szema practices Allergy & Immunology Physician in South Setauket, NY.
Where does Dr. Anthony Szema practice?
Dr. Anthony Szema practices at 3771 Nesconset Hwy, South Setauket, NY 117201163. Office phone: 6316756474.
What is Dr. Anthony Szema's NPI?
Dr. Anthony Szema's National Provider Identifier (NPI) is 1831159649, issued by NPPES.
Does Dr. Anthony Szema accept Medicare assignment?
Yes. Dr. Anthony Szema accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anthony Szema commonly perform?
Top Medicare-reported procedures in 2023: Injection, omalizumab, 5 mg (HCPCS J2357); Test for allergy using allergenic extract (HCPCS 95004); Test for allergy using skin patch (HCPCS 95044). Source: CMS Medicare Physician & Other Practitioners file.