DR. MARK PHILIP STONE D.C.
NPI 1801896790
Chiropractor in Watertown, CT
About Dr. Mark Philip Stone D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK PHILIP STONE D.C. (NPI 1801896790) is an individual chiropractor in Watertown, Connecticut, licensed in Connecticut (000692) and active in the NPI registry since July 2005. He is a graduate of Life Chiropractic College (1986).
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
Dr. Mark Philip Stone D.c. 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 Mark Stone reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Watertown, CT 06795
- Reassigned Medicare billing, Connecticut enrollment
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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WATERTOWN, CT 06795
WATERTOWN, CT 06795
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 Mark Stone's NPI number?
The NPI number for Mark Stone is 1801896790. It was assigned to this individual provider in the NPPES registry on July 21, 2005.
Where is Mark Stone located?
Mark Stone practices at 51 Depot St Suite 504, Watertown, CT 06795. The listed phone number is (860) 274-5484.
What is Mark Stone's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Mark Stone enrolled in Medicare?
Yes. Mark Stone 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 Mark Stone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Stone reassigns Medicare benefits to Stone Chiropractic LLC (Watertown, 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 Mark Stone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Stone accept?
Health plans from Anthem Blue Cross and Blue Shield list Mark Stone 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 Mark Stone was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Mark Philip Stone, D.C. · NPI 1801896790
Chiropractor provider in Watertown, Connecticut. Individual provider, active in the CMS NPPES registry since July 21, 2005.
## Identity
- **NPI:** 1801896790 (Entity type: Individual)
- **Enumerated:** July 21, 2005
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 000692 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 51 DEPOT ST, SUITE 504, Watertown, CT 06795-2629
- **Phone:** (860) 274-5484 · **Fax:** (860) 274-4923
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Stone Chiropractic LLC (NPI 1033306816, Watertown, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Life Chiropractic College, class of 1986
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801896790) · Data from the CMS NPPES public registry.