WILLIAM MICHAEL SANACORE
NPI 1831020791
Chiropractor in Holbrook, NY
About William Michael Sanacore NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MICHAEL SANACORE (NPI 1831020791) is an individual chiropractor in Holbrook, New York, licensed in New York (X006676-01) and active in the NPI registry since May 2026. He is a graduate of New York Chiropractic College (1991).
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 Michael Sanacore 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 Sanacore reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- 48 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 Sanacore's NPI number?
The NPI number for William Sanacore is 1831020791. It was assigned to this individual provider in the NPPES registry on May 28, 2026.
Where is William Sanacore located?
William Sanacore practices at 128 Flintridge Dr, Holbrook, NY 11741. The listed phone number is (631) 624-5613.
What is William Sanacore's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is William Sanacore enrolled in Medicare?
Yes. William Sanacore 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 Sanacore's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Sanacore reassigns Medicare benefits to Timothy D. Groth MD PC (Smithtown, 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 Sanacore'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 Sanacore was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# William Michael Sanacore · NPI 1831020791
Chiropractor provider in Holbrook, New York. Individual provider, active in the CMS NPPES registry since May 28, 2026.
## Identity
- **NPI:** 1831020791 (Entity type: Individual)
- **Enumerated:** May 28, 2026
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** X006676-01 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 128 FLINTRIDGE DR, Holbrook, NY 11741-2869
- **Phone:** (631) 624-5613
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Timothy D. Groth MD PC (NPI 1720022015, Smithtown, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Chiropractic College, class of 1991
## Record status
- **NPPES last updated:** May 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831020791) · Data from the CMS NPPES public registry.