Tien Nguyen, M.D.
NPI 1861455412 · Cardiovascular Disease Physician · East Setauket, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tien Nguyen, M.D. is a Cardiovascular Disease Physician provider in East Setauket, NY (NPI 1861455412).
Provider details
- NPI number
- 1861455412
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 206315-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Physician Assistants & Advanced Practice Nursing Providers
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,158 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 4,218 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 495 | $147 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 456 | $17 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 230 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 168 | $89 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 389 | 128 |
| Metoprolol Succinate | 309 | 106 |
| Amlodipine Besylate | 267 | 92 |
| Losartan Potassium | 134 | 39 |
| Apixabanbrand: Eliquis | 134 | 39 |
| Rosuvastatin Calcium | 112 | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 across 5 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
Additional practice locations (1)
- 35 E 35th StNew York, NY 10016-3823Phone: (212) 532-0888
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2019-03-05
Frequently asked questions
- What is Tien Nguyen's NPI number?
- Tien Nguyen's National Provider Identifier (NPI) is 1861455412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tien Nguyen's specialty?
- Tien Nguyen is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Tien Nguyen located?
- Tien Nguyen's practice location on file with NPPES is 210 N Belle Mead Rd, East Setauket, NY 11733-3522.
- What is Tien Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tien Nguyen is (631) 689-1400.
- Does Tien Nguyen accept Medicare?
- Tien Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tien Nguyen's NPI active?
- Yes — Tien Nguyen's NPI (1861455412) is active in the NPPES registry as of the last update on 2019-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.