Nicholas Triantafillou, MD
NPI 1144212853 · Gastroenterology Physician · Bayside, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Triantafillou, MD is a Gastroenterology Physician provider in Bayside, NY (NPI 1144212853).
Provider details
- NPI number
- 1144212853
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 199020 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,444 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 362 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 216 | $143 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 146 | $13 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 129 | $28 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 117 | $37 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 89 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 120 | 49 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 109 | 108 |
| Omeprazole | 99 | 49 |
| Famotidine | 61 | 29 |
| Rosuvastatin Calcium | 57 | 19 |
| Mesalamine | 53 | 15 |
| Sucralfate | 40 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18,783 across 83 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-18
- Last updated
- 2015-08-13
Frequently asked questions
- What is Nicholas Triantafillou's NPI number?
- Nicholas Triantafillou's National Provider Identifier (NPI) is 1144212853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Triantafillou's specialty?
- Nicholas Triantafillou is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Triantafillou located?
- Nicholas Triantafillou's practice location on file with NPPES is 21305 39th Ave, Bayside, NY 11361-2044.
- What is Nicholas Triantafillou's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Triantafillou is (718) 224-1378.
- Does Nicholas Triantafillou accept Medicare?
- Nicholas Triantafillou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Triantafillou's NPI active?
- Yes — Nicholas Triantafillou's NPI (1144212853) is active in the NPPES registry as of the last update on 2015-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.