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VIVIAN NGAWAN SIU
NPI 1689934556
Internal Medicine in Mineola, NY

Active since May 24, 2012PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating

NPPES record last updated: June 28, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Vivian Ngawan Siu NPPES

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

VIVIAN NGAWAN SIU (NPI 1689934556) is an individual internal medicine provider in Mineola, New York, licensed in New York (2830611) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2012).

NPPES Registry Identity

NPI1689934556
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameVIVIAN NGAWAN SIU
Location Address259 1ST STMineola, NY 11501-3957
Mailing Address259 1st StMineola, NY 11501-3957
Phone(516) 663-8963
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2012
Enumeration DateMay 24, 2012
Last NPPES UpdateJune 28, 2023
✔ NPI 1689934556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 2830611
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
259 1ST ST, Mineola, NY 11501
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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

Vivian Ngawan Siu 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 ID6406143957
PECOS Enrollment IDI20160927001065
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 5

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.

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.
182 services102 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
112 services60 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
32 services32 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.
22 services22 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11501 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
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
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.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

Other Providers at the Same Location NPPES 20

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

LINDSY MILLER M.D.
Anesthesiology
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 741-0570
GINA CARUCCI
Physician Assistant (Medical)
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-0333
DR. CHRISTIAN GIGANTE MD
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-8794
CHRISTOPHER PETILLO
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-0333
JOHN ANTHONY DINELLI MD
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-0333
MANISHA SAKORE MD
Pediatrics (Neonatal-Perinatal Medicine)
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-3853
DR. LAWRENCE SCHEINBERG M.D.
Anesthesiology
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-0333
DR. KIM ANN RUTHERFORD M.D.
Pediatrics (Pediatric Emergency Medicine)
259 1ST ST
MINEOLA, NY 11501
Nassau County (717) 531-8955

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 Vivian Siu's NPI number?

The NPI number for Vivian Siu is 1689934556. It was assigned to this individual provider in the NPPES registry on May 24, 2012.

Where is Vivian Siu located?

Vivian Siu practices at 259 1st St, Mineola, NY 11501. The listed phone number is (516) 663-8963.

What is Vivian Siu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Vivian Siu enrolled in Medicare?

Yes. Vivian Siu 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 Vivian Siu affiliated with any hospitals?

According to CMS data, Vivian Siu is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Vivian Siu was last updated on June 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.