DR. JOHN ADAM DINNEEN D.C.
NPI 1447690466
Chiropractor in Orange, CT
About Dr. John Adam Dinneen D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ADAM DINNEEN D.C. (NPI 1447690466) is an individual chiropractor in Orange, Connecticut, licensed in Connecticut (1954) and active in the NPI registry since July 2013.
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 (PECOS)
Dr. John Adam Dinneen D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Dinneen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfield, CT 06824
- Reassigned Medicare billing, Connecticut enrollment
- 4 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 3
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 John Dinneen's NPI number?
The NPI number for John Dinneen is 1447690466. It was assigned to this individual provider in the NPPES registry on July 5, 2013.
Where is John Dinneen located?
John Dinneen practices at 391 Boston Post Rd, Orange, CT 06477. The listed phone number is (203) 799-3472.
What is John Dinneen's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is John Dinneen enrolled in Medicare?
Yes. John Dinneen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Dinneen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Dinneen reassigns Medicare benefits to Physical Synergy, LLC (Fairfield, CT). 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 John Dinneen'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 John Dinneen was last updated on October 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. John Adam Dinneen, D.C. · NPI 1447690466
Chiropractor provider in Orange, Connecticut. Individual provider, active in the CMS NPPES registry since July 5, 2013.
## Identity
- **NPI:** 1447690466 (Entity type: Individual)
- **Enumerated:** July 5, 2013
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 1954 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 391 BOSTON POST RD, Orange, CT 06477-3578
- **Phone:** (203) 799-3472 · **Fax:** (203) 799-3476
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Physical Synergy, LLC (NPI 1497948533, Fairfield, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 27, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1447690466) · Data from the CMS NPPES public registry.