1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Radiology
  6. NPI Profile

KRISTIN HSIEH
NPI 1104453554
Radiology - Radiation Oncology in New York, NY

Active since March 25, 2020PECOS EnrolledAccepts Medicare Assignment
1184 5TH AVE # 1236, NEW YORK, NY 10029(212) 241-7500(212) 410-7194 Get Directions Write a Review

NPPES record last updated: April 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Kristin Hsieh NPPES

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

KRISTIN HSIEH (NPI 1104453554) is an individual radiation oncology provider in New York, New York, licensed in New York (335096) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2020).

NPPES Registry Identity

NPI1104453554
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameKRISTIN HSIEH
Location Address1184 5TH AVE # 1236New York, NY 10029-6503
Mailing Address1184 5th Ave # 1236New York, NY 10029-6503
Phone(212) 241-7500
Fax(212) 410-7194
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2020
Enumeration DateMarch 25, 2020
Last NPPES UpdateApril 14, 2025
NPPES CertifiedApril 14, 2025
✔ NPI 1104453554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in NY · 335096
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
1184 5TH AVE # 1236, New York, NY 10029
Open in Google Maps ↗

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

Kristin Hsieh 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 ID6002333697
PECOS Enrollment IDI20250507001519
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 Kristin Hsieh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The New York Proton Center
1.4 mi
Oncology, Radiation
225 E 126TH ST
New York, NY 10035
  • Reassigned Medicare billing, New York enrollment
  • 87 clinicians in this Medicare group
NPI 1609363670 (646) 968-9064

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10029 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
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
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.

Other Providers at the Same Location NPPES

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

ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Radiology (Radiation Oncology)
1184 5TH AVE # 1236
NEW YORK, NY 10029
New York County (212) 241-0025

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 Kristin Hsieh's NPI number?

The NPI number for Kristin Hsieh is 1104453554. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Kristin Hsieh located?

Kristin Hsieh practices at 1184 5th Ave # 1236, New York, NY 10029. The listed phone number is (212) 241-7500.

What is Kristin Hsieh's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Kristin Hsieh enrolled in Medicare?

Yes. Kristin Hsieh 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 Kristin Hsieh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Hsieh reassigns Medicare benefits to The New York Proton Center (New York, 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 Kristin Hsieh'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 Kristin Hsieh was last updated on April 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.