WILLIAM THOM
NPI 1700533080
Social Worker in Millbrook, NY
About William Thom NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM THOM (NPI 1700533080) is an individual social worker in Millbrook, New York, licensed in New York (112109) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Group Practice 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
William Thom 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 Thom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cold Spring, NY 10516
- Reassigned Medicare billing, New York enrollment
- 5 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILLBROOK, NY 12545
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 Thom's NPI number?
The NPI number for William Thom is 1700533080. It was assigned to this individual provider in the NPPES registry on March 7, 2022.
Where is William Thom located?
William Thom practices at 131 Millbrook School Rd, Millbrook, NY 12545. The listed phone number is (845) 335-5615.
What is William Thom's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is William Thom enrolled in Medicare?
Yes. William Thom 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 Thom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Thom reassigns Medicare benefits to Head In The Right Direction Counseling Services Lcsw PC (Cold Spring, 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 Thom'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 Thom was last updated on March 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 Thom · NPI 1700533080
Social Worker provider in Millbrook, New York. Individual provider, active in the CMS NPPES registry since March 7, 2022.
## Identity
- **NPI:** 1700533080 (Entity type: Individual)
- **Enumerated:** March 7, 2022
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 112109 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 131 MILLBROOK SCHOOL RD, Millbrook, NY 12545-4932
- **Phone:** (845) 335-5615
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Head In The Right Direction Counseling Services Lcsw PC (NPI 1497176358, Cold Spring, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** March 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1700533080) · Data from the CMS NPPES public registry.