MS. HEESEUNG KWAK
NPI 1609220029
Nurse Practitioner - Acute Care in New York, NY
About Ms. Heeseung Kwak NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. HEESEUNG KWAK (NPI 1609220029) is an individual acute care provider in New York, New York, licensed in New York (F430937-1) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Heeseung Kwak is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Heeseung Kwak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 275 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 482 clinicians in this Medicare group
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.
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.
NEW YORK, NY 10029
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 Heeseung Kwak's NPI number?
The NPI number for Heeseung Kwak is 1609220029. It was assigned to this individual provider in the NPPES registry on April 21, 2016.
Where is Heeseung Kwak located?
Heeseung Kwak practices at 10 E 102nd St, New York, NY 10029. The listed phone number is (212) 241-6756.
What is Heeseung Kwak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Heeseung Kwak enrolled in Medicare?
Yes. Heeseung Kwak is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Heeseung Kwak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heeseung Kwak reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and Memorial Anesthesiology Group (New York, NY). Each 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 Heeseung Kwak'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 Heeseung Kwak was last updated on February 26, 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.
# Ms. Heeseung Kwak · NPI 1609220029
Acute Care physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 21, 2016.
## Identity
- **NPI:** 1609220029 (Entity type: Individual)
- **Enumerated:** April 21, 2016
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** F430937-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 10 E 102ND ST, New York, NY 10029-6030
- **Phone:** (212) 241-6756
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1750649612, New York, NY); Memorial Anesthesiology Group (NPI 1467423020, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 26, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1609220029) · Data from the CMS NPPES public registry.