DR. SARAH YIRK-WAH SIU M.D.
NPI 1477085017
Specialist in Manhasset, NY

Q: What is Sarah Siu's NPI number?

The NPI number for Sarah Siu is 1477085017. It was assigned to this individual provider in the NPPES registry on April 3, 2017.

Q: What is Sarah Siu's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Sarah Siu was last updated on October 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 03, 2017PECOS EnrolledAccepts Medicare Assignment

1350 NORTHERN BLVD FL 2, MANHASSET, NY 11030(516) 365-5652 Get Directions Write a Review

NPPES record last updated: October 26, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Sarah Yirk-wah Siu M.d. NPPES

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

DR. SARAH YIRK-WAH SIU M.D. (NPI 1477085017) is an individual specialist in Manhasset, New York and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (2017).

NPPES Registry Identity

NPI1477085017

Entity TypeIndividualFemale

Primary Taxonomy174400000X

Provider Legal NameDR. SARAH YIRK-WAH SIUCredential: M.D.

Location Address1350 NORTHERN BLVD FL 2Manhasset, NY 11030-3013

Mailing Address1350 Northern Blvd Fl 2Manhasset, NY 11030-3013 · (516) 365-5652

Phone(516) 365-5652

Sole ProprietorNo

Medical School CMSState University Of New York Downstate Medical CenterGraduated 2017

Enumeration DateApril 3, 2017

Last NPPES UpdateOctober 26, 2021

NPPES CertifiedOctober 26, 2021

✔ NPI 1477085017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

1350 NORTHERN BLVD FL 2, Manhasset, NY 11030

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sarah Yirk-wah Siu 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 ID1951708973

PECOS Enrollment IDI20220322000484

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.

Medicare Billing Reassignment

Medicare enrollment records show Sarah Siu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sarah Siu MD PLLC

19 mi

Medical Specialty

5318 7TH AVE
Brooklyn, NY 11220

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Sarah Siu M.D. PLLC

NPI 1144975947 (212) 858-9828

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

17 services17 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.

16 services11 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

11 services11 patients

Other Providers at the Same Location NPPES

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

NYOUSHA YOUSEFI MD

Dermatology

1350 NORTHERN BLVD FL 2
MANHASSET, NY 11030

Nassau County (516) 365-5652

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 Sarah Siu's NPI number?

The NPI number for Sarah Siu is 1477085017. It was assigned to this individual provider in the NPPES registry on April 3, 2017.

Where is Sarah Siu located?

Sarah Siu practices at 1350 Northern Blvd Fl 2, Manhasset, NY 11030. The listed phone number is (516) 365-5652.

What is Sarah Siu's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Sarah Siu enrolled in Medicare?

Yes. Sarah 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.

Which organization bills Medicare for Sarah Siu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Siu reassigns Medicare benefits to Sarah Siu MD PLLC (Brooklyn, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Siu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sarah Siu was last updated on October 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.