DR. JOHN T CARROLL DPM
NPI 1508946054
Podiatrist - Foot Surgery in Old Saybrook, CT
About Dr. John T Carroll Dpm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN T CARROLL DPM (NPI 1508946054) is an individual foot surgery provider in Old Saybrook, Connecticut, licensed in Connecticut (000027) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Kent State University College Of Podiatric Medicine (1975).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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. John T Carroll Dpm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show John Carroll reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Old Saybrook, CT 06475
- Reassigned Medicare billing, Connecticut enrollment
Norwich, CT 06360
- Reassigned Medicare billing, Connecticut enrollment
- 3 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 7
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Carroll's NPI number?
The NPI number for John Carroll is 1508946054. It was assigned to this individual provider in the NPPES registry on October 17, 2006.
Where is John Carroll located?
John Carroll practices at 455 Boston Post Rd Ste 8, Old Saybrook, CT 06475. The listed phone number is (860) 510-0502.
What is John Carroll's specialty?
The primary specialty registered for this NPI is Podiatrist, specializing in Foot Surgery, with taxonomy code 213ES0131X.
Is John Carroll enrolled in Medicare?
Yes. John Carroll is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Carroll's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Carroll reassigns Medicare benefits to 2 organizations: John T. Carroll, DPM PC (Old Saybrook, CT) and Drs Kierstein & Difrancesca DPM, PC (Norwich, CT). Each 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 Carroll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Carroll accept?
Health plans from Anthem Blue Cross and Blue Shield list John Carroll 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 John Carroll was last updated on May 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 T Carroll, DPM · NPI 1508946054
Foot Surgery provider in Old Saybrook, Connecticut. Individual provider, active in the CMS NPPES registry since October 17, 2006.
## Identity
- **NPI:** 1508946054 (Entity type: Individual)
- **Enumerated:** October 17, 2006
- **Primary specialty:** Podiatrist - Foot Surgery · taxonomy 213ES0131X
- **State license:** 000027 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 455 BOSTON POST RD STE 8, Old Saybrook, CT 06475-1554
- **Phone:** (860) 510-0502 · **Fax:** (860) 510-0551
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): John T. Carroll, DPM PC (NPI 1114100989, Old Saybrook, CT); Drs Kierstein & Difrancesca DPM, PC (NPI 1841247079, Norwich, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Kent State University College Of Podiatric Medicine, class of 1975
## Record status
- **NPPES last updated:** May 19, 2016
- **Other identifiers:** Medicare UPIN T98410 (CT); Medicaid 004006276 (CT); Medicare NSC 4895660001 (CT); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1508946054) · Data from the CMS NPPES public registry.