SCOTT CHASTAIN M.S.
NPI 1164805214
Counselor - Mental Health in Athol, MA
About Scott Chastain M.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SCOTT CHASTAIN M.S. (NPI 1164805214) is an individual mental health provider in Athol, Massachusetts, licensed in Massachusetts (11154) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
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
Scott Chastain M.s. 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 Scott Chastain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greenfield, MA 01301
- Reassigned Medicare billing, Massachusetts enrollment
- 169 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Scott Chastain's NPI number?
The NPI number for Scott Chastain is 1164805214. It was assigned to this individual provider in the NPPES registry on July 8, 2015.
Where is Scott Chastain located?
Scott Chastain practices at 2033 Main St Level 2, Athol, MA 01331. The listed phone number is (978) 249-9490.
What is Scott Chastain's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Scott Chastain enrolled in Medicare?
Yes. Scott Chastain 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 Scott Chastain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Scott Chastain reassigns Medicare benefits to Clinical & Support Options, Inc (Greenfield, MA). 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 Scott Chastain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Scott Chastain accept?
Health plans from Harvard Pilgrim Health Care list Scott Chastain 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 Scott Chastain was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Scott Chastain, M.S. · NPI 1164805214
Mental Health provider in Athol, Massachusetts. Individual provider, active in the CMS NPPES registry since July 8, 2015.
## Identity
- **NPI:** 1164805214 (Entity type: Individual)
- **Enumerated:** July 8, 2015
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 2033 MAIN ST, LEVEL 2, Athol, MA 01331-1846
- **Phone:** (978) 249-9490
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Clinical & Support Options, Inc (NPI 1831265115, Greenfield, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** August 8, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1164805214) · Data from the CMS NPPES public registry.