WILLIAM CHANDLER COOPER D.C.
NPI 1811385271
Chiropractor in Cold Spring, NY
About William Chandler Cooper D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM CHANDLER COOPER D.C. (NPI 1811385271) is an individual chiropractor in Cold Spring, New York, licensed in New York (X012667) and active in the NPI registry since January 2015. He is a graduate of New York Chiropractic College (2014).
NPPES Registry Identity
Specialties & Licenses
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
William Chandler Cooper D.c. 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 Reassignment
Medicare enrollment records show William Cooper reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Windsor, NY 12553
- Reassigned Medicare billing, New York enrollment
- 17 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.
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 William Cooper's NPI number?
The NPI number for William Cooper is 1811385271. It was assigned to this individual provider in the NPPES registry on January 7, 2015.
Where is William Cooper located?
William Cooper practices at 30 Treeline Cir, Cold Spring, NY 10516. The listed phone number is (845) 401-7947.
What is William Cooper's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is William Cooper enrolled in Medicare?
Yes. William Cooper 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 William Cooper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Cooper reassigns Medicare benefits to Avalon Medical Center, LLC (New Windsor, 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 William Cooper'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 William Cooper was last updated on March 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# William Chandler Cooper, D.C. · NPI 1811385271
Chiropractor provider in Cold Spring, New York. Individual provider, active in the CMS NPPES registry since January 7, 2015.
## Identity
- **NPI:** 1811385271 (Entity type: Individual)
- **Enumerated:** January 7, 2015
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** X012667 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 30 TREELINE CIR, Cold Spring, NY 10516-4303
- **Phone:** (845) 401-7947
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Avalon Medical Center, LLC (NPI 1003591447, New Windsor, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Chiropractic College, class of 2014
## Record status
- **NPPES last updated:** March 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1811385271) · Data from the CMS NPPES public registry.