DR. WINNIE AU M.D.
NPI 1114977998
Radiology - Diagnostic Radiology in New York, NY
About Dr. Winnie Au M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WINNIE AU M.D. (NPI 1114977998) is an individual diagnostic radiology provider in New York, New York, licensed in New York (226923) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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. Winnie Au 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.
Medicare Billing Reassignments
6Medicare enrollment records show Winnie Au reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 302 clinicians in this Medicare group
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 232 clinicians in this Medicare group
Montvale, NJ 07645
- Reassigned Medicare billing, New Jersey enrollment
- 401 clinicians in this Medicare group
Middletown, NJ 07748
- Reassigned Medicare billing, New Jersey enrollment
- 464 clinicians in this Medicare group
Basking Ridge, NJ 07920
- Reassigned Medicare billing, New Jersey enrollment
- 385 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 18
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10032 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Winnie Au's NPI number?
The NPI number for Winnie Au is 1114977998. It was assigned to this individual provider in the NPPES registry on May 11, 2006.
Where is Winnie Au located?
Winnie Au practices at 630 W 168th St Mc28, New York, NY 10032. The listed phone number is (212) 305-1948.
What is Winnie Au's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Winnie Au enrolled in Medicare?
Yes. Winnie Au 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 Winnie Au's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Winnie Au reassigns Medicare benefits to 6 organizations: Trustees Of Columbia University In The City Of New York (New York, NY), Mskcc Radiology Group (New York, NY), Columbiadoctors/Newyork-Presbyterianimaging (New York, NY), Msk Bergen (Montvale, NJ), Msk Monmouth (Middletown, NJ) and 1 more organization, listed in the Medicare section above. 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 Winnie Au'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 Winnie Au was last updated on January 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Winnie Au, M.D. · NPI 1114977998
Diagnostic Radiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 11, 2006.
## Identity
- **NPI:** 1114977998 (Entity type: Individual)
- **Enumerated:** May 11, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 226923 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 630 W 168TH ST, MC28, New York, NY 10032-3725
- **Phone:** (212) 305-1948 · **Fax:** (212) 305-5777
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Trustees Of Columbia University In The City Of New York (NPI 1508266347, New York, NY); Mskcc Radiology Group (NPI 1639159692, New York, NY); Columbiadoctors/Newyork-Presbyterianimaging (NPI 1902345986, New York, NY); Msk Bergen (NPI 1558814657, Montvale, NJ); Msk Monmouth (NPI 1922459163, Middletown, NJ); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** January 7, 2008
- **Other identifiers:** Medicare UPIN I52770 (NY); Medicare PIN 834T61 (NY); Other 1467560854 (NY); and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1114977998) · Data from the CMS NPPES public registry.