Doctor profile · Federal record

Dr. Nicholas Triantafillou, MD

Gastroenterology Physician (CMS: Anesthesiology) · Bayside, NY

  • NPI 1144212853
  • Accepts Medicare
  • MIPS 32.3 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21305 39Th Ave
Bayside, NY 113612044
(718) 224-1378

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
August 13, 2015
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #199020
Medicaid
NY #01785964

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144212853. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,034
Distinct HCPCS
10
Medicare allowed
$90,015
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 260 82 $40
99213 Established patient office or other outpatient visit, 20-29 minutes 137 101 $105
99214 Established patient office or other outpatient visit, 30-39 minutes 135 107 $148
88313 Special stained specimen slides to examine tissue including interpretation and report 92 33 $13
36415 Insertion of needle into vein for collection of blood sample 82 53 $8
88342 Special stained specimen slides to examine tissue, initial procedure 76 36 $38
99203 New patient office or other outpatient visit, 30-44 minutes 63 63 $131
45380 Biopsy of large bowel using a flexible endoscope 45 45 $118
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 41 40 $294
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 32 32 $138

In context: peer comparison

Among 1 peers in this city , average services per provider: 79. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18,783
Transactions
83
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 19 $11,739.31
ABBVIE INC. 15 $5,844.76
QOL Medical, LLC 9 $318.89
Ardelyx, Inc. 10 $159.81
Daiichi Sankyo Inc. 5 $132.81
IRONWOOD PHARMACEUTICALS, INC 5 $103.73
Phathom Pharmaceuticals, Inc. 4 $100.97
Salix Pharmaceuticals, a division of Bausch Health US, LLC 4 $90.70
Janssen Biotech, Inc. 3 $75.62
Takeda Pharmaceuticals U.S.A., Inc. 3 $71.00
Madrigal Pharmaceuticals 2 $54.19
PFIZER INC. 1 $30.89
AIMMUNE THERAPEUTICS, INC. 1 $22.14
Intercept Pharmaceuticals, Inc. 1 $21.27
Ipsen Biopharmaceuticals, Inc 1 $17.17

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$14,650
Travel and Lodging
$2,098
Food and Beverage
$2,035

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
703
Patients
234
Total drug cost
$60,946
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 149 58 $2,138
Omeprazole Generic 113 46 $1,769
Famotidine Generic 86 31 $878
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 77 72 $5,877
Rosuvastatin Calcium Generic 46 16 $587
Mesalamine Generic 37 11 $27,301
Metoprolol Succinate Generic 34 0 $537
Sucralfate Generic 34 0 $2,098
Atorvastatin Calcium Generic 26 0 $203
Amlodipine Besylate Generic 20 0 $116

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Triantafillou's medical specialty?
Dr. Nicholas Triantafillou practices Gastroenterology Physician in Bayside, NY.
Where does Dr. Nicholas Triantafillou practice?
Dr. Nicholas Triantafillou practices at 21305 39Th Ave, Bayside, NY 113612044. Office phone: 7182241378.
What is Dr. Nicholas Triantafillou's NPI?
Dr. Nicholas Triantafillou's National Provider Identifier (NPI) is 1144212853, issued by NPPES.
Does Dr. Nicholas Triantafillou accept Medicare assignment?
Yes. Dr. Nicholas Triantafillou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Triantafillou commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.