DR. JOHN ROBERT CANNON D.C.
NPI 1972537470
Chiropractor in Portsmouth, NH
About Dr. John Robert Cannon D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ROBERT CANNON D.C. (NPI 1972537470) is an individual chiropractor in Portsmouth, New Hampshire, licensed in New Hampshire (7561205) and active in the NPI registry since July 2006. He is a graduate of Palmer College Chiropractic - Davenport (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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 Robert Cannon D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Cannon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portsmouth, NH 03801
- Reassigned Medicare billing, New Hampshire enrollment
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 2
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 Cannon's NPI number?
The NPI number for John Cannon is 1972537470. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is John Cannon located?
John Cannon practices at 504 Middle St, Portsmouth, NH 03801. The listed phone number is (603) 742-7894.
What is John Cannon's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is John Cannon enrolled in Medicare?
Yes. John Cannon is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Cannon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Cannon reassigns Medicare benefits to Total Health Chiropractic, PLLC (Portsmouth, NH). 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 Cannon'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 Cannon was last updated on August 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 Robert Cannon, D.C. · NPI 1972537470
Chiropractor provider in Portsmouth, New Hampshire. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1972537470 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 7561205 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 504 MIDDLE ST, Portsmouth, NH 03801-5018
- **Phone:** (603) 742-7894
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Total Health Chiropractic, PLLC (NPI 1033992417, Portsmouth, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 2005
## Record status
- **NPPES last updated:** August 16, 2023
- **Other identifiers:** Other 1C0000423 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1972537470) · Data from the CMS NPPES public registry.