NANCY NAI-EN TSAI MD
NPI 1184732885
Ophthalmology in New York, NY

Active since August 25, 2006PECOS EnrolledAccepts Medicare Assignment
99 ELIZABETH STREET, 2FL, NEW YORK, NY 10013(212) 227-8837 Get Directions Write a Review

NPPES record last updated: March 10, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Nancy Nai-en Tsai Md NPPES

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

NANCY NAI-EN TSAI MD (NPI 1184732885) is an individual ophthalmology provider in New York, New York, licensed in New York (194271) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of New York Medical College (1992).

NPPES Registry Identity

NPI1184732885
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameNANCY NAI-EN TSAICredential: MD
Location Address99 ELIZABETH STREET, 2FLNew York, NY 10013
Mailing Address99 Elizabeth Street, 2flNew York, NY 10013 · (212) 227-8837
Sole ProprietorYes
Medical School CMSNew York Medical CollegeGraduated 1992
Enumeration DateAugust 25, 2006
Last NPPES UpdateMarch 10, 2011
NPI 1184732885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in NY · 194271
Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

99 ELIZABETH STREET, 2FL, New York, NY 10013

Other Identifiers 3

Medicare UPING29542NY
Medicare PIN82T983NY
Medicaid01663785NY

Accepted Insurance

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

Nancy Nai-en Tsai Md 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 ID4789635715
PECOS Enrollment IDI20050207000641
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 15

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.

Exam of the internal drainage system of eye 92020
This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.
147 services147 patients
Extended exam of the back part of the eye with optic nerve drawing 92202
This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.
144 services140 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
126 services123 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
106 services95 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
90 services89 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
84 services83 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 10013 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
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.

Reported Quality Measures

Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
100%80 patients5/55-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

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

Ophthalmology
99 ELIZABETH STREET, 2FL
NEW YORK, NY 10013

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 Nancy Tsai's NPI number?

The NPI number for Nancy Tsai is 1184732885. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is Nancy Tsai located?

Nancy Tsai practices at 99 Elizabeth Street, 2fl, New York, NY 10013. The listed phone number is (212) 227-8837.

What is Nancy Tsai's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Nancy Tsai enrolled in Medicare?

Yes. Nancy Tsai 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.

What insurance does Nancy Tsai accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Nancy Tsai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nancy Tsai affiliated with any hospitals?

According to CMS data, Nancy Tsai is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Nancy Tsai was last updated on March 10, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.