DR. TIEN HAC NGUYEN M.D.
NPI 1861455412
Internal Medicine - Cardiovascular Disease in East Setauket, NY

Active since April 06, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
210 N BELLE MEAD RD, EAST SETAUKET, NY 11733(631) 689-1400(631) 689-1595 Get Directions Write a Review

NPPES record last updated: March 5, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 5, 2019, Dec 24, 2018 (2 updates tracked since 2018).

About Dr. Tien Hac Nguyen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. TIEN HAC NGUYEN M.D. (NPI 1861455412) is an individual cardiovascular disease provider in East Setauket, New York, licensed in New York (206315-1) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of New York Medical College (1995).

NPPES Registry Identity

NPI1861455412
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. TIEN HAC NGUYENCredential: M.D.
Location Address210 N BELLE MEAD RDEast Setauket, NY 11733-3522
Mailing Address100 Highlands Blvd # 9Port Jefferson, NY 11777-2320 · (631) 473-1320
Fax(631) 689-1595
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1995
Enumeration DateApril 6, 2006
Last NPPES UpdateMarch 5, 20192 updates tracked since enumeration
NPI 1861455412 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in NY · 206315-1
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 206315-1 (NY)
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 206315 (NY)
210 N BELLE MEAD RD, East Setauket, NY 11733

Other Identifiers 1

Medicaid02361842NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Tien Hac Nguyen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749182095
PECOS Enrollment IDI20040126000688
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
4,218 services2,892 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
495 services279 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
456 services322 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
230 services227 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
168 services125 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
154 services146 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ns/Lij Hs Southside Hospital

Acute Care Hospitals · Bay Shore, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330043
Location301 East Main StreetBay Shore, NY 11706 · Suffolk County
Emergency services Birthing friendly

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

St Charles Hospital

Acute Care Hospitals · Port Jefferson, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330246
Location200 Belle Terre RoadPort Jefferson, NY 11777 · Suffolk County
Birthing friendly

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Improvement Activities40
Cost97.55

Reported Quality Measures

Controlling High Blood Pressure
77%441 patients4/55-star benchmark: 91%
Coronary Artery Disease (CAD): Beta-Blocker Therapy Prior Myocardial Infarction (MI) or Left Ventricular Systolic Dysfunction (LVEF <= 40%)
86%22 patients4/55-star benchmark: 99%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
99%109 patients1/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
96%1,807 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
20%1,017 patients1/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
0%957 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
40%869 patients3/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 17% · 621 patients
15%621 patients
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
89%452 patients4/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 499 patients
Patients totalRate: 1% · 499 patients
1%499 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Psychiatry)
210 N BELLE MEAD RD
EAST SETAUKET, NY 11733
Internal Medicine (Cardiovascular Disease)
210 N BELLE MEAD RD
EAST SETAUKET, NY 11733
Internal Medicine (Cardiovascular Disease)
210 N BELLE MEAD RD
EAST SETAUKET, NY 11733
Internal Medicine (Cardiovascular Disease)
210 N BELLE MEAD RD
EAST SETAUKET, NY 11733
Internal Medicine (Cardiovascular Disease)
210 N BELLE MEAD RD
EAST SETAUKET, NY 11733
Internal Medicine (Cardiovascular Disease)
210 N BELLE MEAD RD
EAST SETAUKET, NY 11733
Specialist
210 N BELLE MEAD RD
EAST SETAUKET, NY 11733
Internal Medicine (Cardiovascular Disease)
210 N BELLE MEAD RD
EAST SETAUKET, NY 11733

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tien Nguyen's NPI number?

The NPI number for Tien Nguyen is 1861455412. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Where is Tien Nguyen located?

Tien Nguyen practices at 210 N Belle Mead Rd, East Setauket, NY 11733. The listed phone number is (631) 689-1400.

What is Tien Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Tien Nguyen enrolled in Medicare?

Yes. Tien Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Tien Nguyen affiliated with any hospitals?

According to CMS data, Tien Nguyen is affiliated with Ns/Lij Hs Southside Hospital, John T Mather Memorial Hospital Of Port Jefferson, St Charles Hospital and Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Tien Nguyen was last updated on March 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.