DR. RYAN DRIZEN DC
NPI 1184485237
Chiropractor in Stow, MA
About Dr. Ryan Drizen Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN DRIZEN DC (NPI 1184485237) is an individual chiropractor in Stow, Massachusetts, licensed in Massachusetts (CHI3849) and active in the NPI registry since January 2024. He is a graduate of Other (2023).
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 (PECOS)
Dr. Ryan Drizen Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ryan Drizen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Franklin, MA 02038
- Reassigned Medicare billing, Massachusetts enrollment
- 703 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 8
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 Ryan Drizen's NPI number?
The NPI number for Ryan Drizen is 1184485237. It was assigned to this individual provider in the NPPES registry on January 17, 2024.
Where is Ryan Drizen located?
Ryan Drizen practices at 118 Great Rd, Stow, MA 01775. The listed phone number is (978) 897-1770.
What is Ryan Drizen's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Ryan Drizen enrolled in Medicare?
Yes. Ryan Drizen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ryan Drizen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Drizen reassigns Medicare benefits to Bay State Physical Therapy Of Randolph Inc (Franklin, 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 Ryan Drizen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Drizen accept?
Health plans from Providence Health Plan list Ryan Drizen 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 Ryan Drizen was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Ryan Drizen, DC · NPI 1184485237
Chiropractor provider in Stow, Massachusetts. Individual provider, active in the CMS NPPES registry since January 17, 2024.
## Identity
- **NPI:** 1184485237 (Entity type: Individual)
- **Enumerated:** January 17, 2024
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** CHI3849 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 118 GREAT RD, Stow, MA 01775-1190
- **Phone:** (978) 897-1770 · **Fax:** (978) 897-1715
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Bay State Physical Therapy Of Randolph Inc (NPI 1821108549, Franklin, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** November 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1184485237) · Data from the CMS NPPES public registry.