WILLIAM DUSTIN WILLOUGHBY LMHC
NPI 1922526458
Counselor - Mental Health in Belmont, MA
About William Dustin Willoughby Lmhc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM DUSTIN WILLOUGHBY LMHC (NPI 1922526458) is an individual mental health provider in Belmont, Massachusetts, licensed in Massachusetts (LMHC10001101) and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
William Dustin Willoughby Lmhc 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 Willoughby reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lynchburg, VA 24504
- Reassigned Medicare billing, Massachusetts enrollment
- 250 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 Willoughby's NPI number?
The NPI number for William Willoughby is 1922526458. It was assigned to this individual provider in the NPPES registry on September 5, 2017.
Where is William Willoughby located?
William Willoughby practices at 58 Waverley St Apt 1, Belmont, MA 02478. The listed phone number is (843) 693-5852.
What is William Willoughby's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is William Willoughby enrolled in Medicare?
Yes. William Willoughby 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 Willoughby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Willoughby reassigns Medicare benefits to Thrive Counseling LLC (Lynchburg, VA). 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 Willoughby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Willoughby accept?
Health plans from Taro Health list William Willoughby 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 William Willoughby was last updated on January 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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 Dustin Willoughby, LMHC · NPI 1922526458
Mental Health provider in Belmont, Massachusetts. Individual provider, active in the CMS NPPES registry since September 5, 2017.
## Identity
- **NPI:** 1922526458 (Entity type: Individual)
- **Enumerated:** September 5, 2017
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** LMHC10001101 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 58 WAVERLEY ST APT 1, Belmont, MA 02478-1960
- **Phone:** (843) 693-5852
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Thrive Counseling LLC (NPI 1215181300, Lynchburg, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** January 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1922526458) · Data from the CMS NPPES public registry.