DR. XIANG DA DONG MD
NPI 1912970435
Surgery - Surgical Oncology in Valhalla, NY
About Dr. Xiang Da Dong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. XIANG DA DONG MD (NPI 1912970435) is an individual surgical oncology provider in Valhalla, New York, licensed in New York (259782) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains 7 additional practice locations, and is a graduate of Duke University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 7
Other Identifiers 2
Accepted Insurance
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. Xiang Da Dong Md 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 Xiang Dong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 638 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 9
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 10595 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
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 Xiang Dong's NPI number?
The NPI number for Xiang Dong is 1912970435. It was assigned to this individual provider in the NPPES registry on February 8, 2006.
Where is Xiang Dong located?
Xiang Dong practices at 100 Woods Rd, Valhalla, NY 10595. The listed phone number is (914) 909-9018.
What is Xiang Dong's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Xiang Dong enrolled in Medicare?
Yes. Xiang Dong 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 Xiang Dong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xiang Dong reassigns Medicare benefits to 3 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), Nuvance Health Medical Practice Ct, Inc. (Danbury, CT) and Nuvance Health Medical Practice PC (Poughkeepsie, 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 Xiang Dong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Xiang Dong accept?
Health plans from Anthem Blue Cross and Blue Shield list Xiang Dong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Xiang Dong was last updated on February 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Xiang Da Dong, MD · NPI 1912970435
Surgical Oncology physician in Valhalla, New York. Individual provider, active in the CMS NPPES registry since February 8, 2006.
## Identity
- **NPI:** 1912970435 (Entity type: Individual)
- **Enumerated:** February 8, 2006
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **State license:** 259782 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 WOODS RD, Valhalla, NY 10595-1530
- **Phone:** (914) 909-9018 · **Fax:** (914) 493-2267
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY); Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT); Nuvance Health Medical Practice PC (NPI 1437358033, Poughkeepsie, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** February 18, 2021
- **Other identifiers:** Other 259782 (NY); Other 45107 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1912970435) · Data from the CMS NPPES public registry.