Doctor profile · Federal record

Dr. Daniel Mayer, M.D.

Pediatric Allergy/Immunology Physician · Smithtown, NY

  • NPI 1245273135
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
263 East Main Street
Smithtown, NY 11787
(631) 366-5252
Mailing address
263 E Main St
Smithtown, NY 117872807

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 29, 2007
Specialty taxonomy
2080P0201X — NUCC code
State license (1)
New York #140045
Medicaid
NY #00603338

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245273135. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$611
Transactions
31
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 11 $204.34
Genzyme Corporation 2 $69.47
Regeneron Healthcare Solutions, INC. 3 $57.93
Takeda Pharmaceuticals U.S.A., INC. 3 $47.63
Pfizer INC. 2 $39.39
Incyte Corporation 2 $38.84
AstraZeneca Pharmaceuticals Lp 2 $34.42
Aytu BioPharma, INC. 1 $22.00
BioCryst US Sales Co., LLC 1 $20.51
Csl Behring 1 $19.99
Kaleo, INC. 1 $19.57
Phadia US INC. 1 $18.93
Genentech USA, INC. 1 $17.53

By nature of payment

Food and Beverage
$611

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
211
Patients
94
Total drug cost
$15,264
Drug Type Claims Patients Total cost
Prednisone Generic 42 30 $106
Fluticasone Propionate Generic 40 19 $994
Azelastine Hcl Generic 26 0 $1,737
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 25 12 $682
Montelukast Sodium Generic 23 0 $323
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 19 17 $241
Epinephrine Generic 19 16 $4,776
Symbicort (Budesonide/Formoterol Fumarate) Brand 17 0 $6,406

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Mayer's medical specialty?
Dr. Daniel Mayer practices Pediatric Allergy/Immunology Physician in Smithtown, NY.
Where does Dr. Daniel Mayer practice?
Dr. Daniel Mayer practices at 263 East Main Street, Smithtown, NY 11787. Office phone: 6313665252.
What is Dr. Daniel Mayer's NPI?
Dr. Daniel Mayer's National Provider Identifier (NPI) is 1245273135, issued by NPPES.