HSING AN
NPI 1205896222
Nurse Anesthetist, Certified Registered in New York, NY
About Hsing An NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HSING AN (NPI 1205896222) is an individual nurse anesthetist, certified registered in New York, New York, licensed in New York (3154222) and active in the NPI registry since March 2006. He is affiliated with Ny Eye And Ear Infirmary Of Mount Sinai, maintains a secondary practice location in Ypsilanti, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Hsing An 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.
Medicare Billing Reassignments
3Medicare enrollment records show Hsing An reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10065
- Reassigned Medicare billing, New York enrollment
- 384 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 245 clinicians in this Medicare group
Ypsilanti, MI 48197
- Reassigned Medicare billing, Michigan enrollment
- 151 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.
Areas of Expertise CMS Part B claims
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ny Eye And Ear Infirmary Of Mount Sinai
Acute Care Hospitals · New York, NYNew York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10038 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 10038
NEW YORK, NY 10038
NEW YORK, NY 10038
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 Hsing An's NPI number?
The NPI number for Hsing An is 1205896222. It was assigned to this individual provider in the NPPES registry on March 24, 2006.
Where is Hsing An located?
Hsing An practices at 170 William St, New York, NY 10038. The listed phone number is (646) 297-2244.
What is Hsing An's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Hsing An enrolled in Medicare?
Yes. Hsing An 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 organizations bill Medicare for Hsing An's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hsing An reassigns Medicare benefits to 3 organizations: Weill Medical College Of Cornell (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY) and Sjmhs Anesthesia Services (Ypsilanti, MI). 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 Hsing An's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hsing An affiliated with any hospitals?
According to CMS data, Hsing An is affiliated with Ny Eye And Ear Infirmary Of Mount Sinai and New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Hsing An was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Hsing An · NPI 1205896222
Nurse Anesthetist, Certified Registered physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 24, 2006.
## Identity
- **NPI:** 1205896222 (Entity type: Individual)
- **Enumerated:** March 24, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 3154222 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 170 WILLIAM ST, New York, NY 10038-2612
- **Phone:** (646) 297-2244
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Weill Medical College Of Cornell (NPI 1164768305, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1447008446, New York, NY); Sjmhs Anesthesia Services (NPI 1184069874, Ypsilanti, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** June 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1205896222) · Data from the CMS NPPES public registry.