LIANNA DIMMOCK FNP
NPI 1033916861
Nurse Practitioner - Family in Norwalk, CT
About Lianna Dimmock Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIANNA DIMMOCK FNP (NPI 1033916861) is an individual family provider in Norwalk, Connecticut, licensed in Connecticut (14510) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lianna Dimmock Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lianna Dimmock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norwalk, CT 06851
- Reassigned Medicare billing, Connecticut enrollment
- 29 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06851 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Lianna Dimmock's NPI number?
The NPI number for Lianna Dimmock is 1033916861. It was assigned to this individual provider in the NPPES registry on February 28, 2025. The provider is also known as Lianna Fincher.
Where is Lianna Dimmock located?
Lianna Dimmock practices at 761 Main Ave Bldg A, Norwalk, CT 06851. The listed phone number is (203) 810-4151.
What is Lianna Dimmock's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lianna Dimmock enrolled in Medicare?
Yes. Lianna Dimmock is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lianna Dimmock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lianna Dimmock reassigns Medicare benefits to The Connecticut Dermatology Group PLLC (Norwalk, 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 Lianna Dimmock'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 Lianna Dimmock was last updated on November 29, 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.
# Lianna Dimmock, FNP · NPI 1033916861
Family physician in Norwalk, Connecticut. Individual provider, active in the CMS NPPES registry since February 28, 2025.
## Identity
- **NPI:** 1033916861 (Entity type: Individual)
- **Enumerated:** February 28, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 14510 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 761 MAIN AVE BLDG A, Norwalk, CT 06851-1080
- **Phone:** (203) 810-4151
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Connecticut Dermatology Group PLLC (NPI 1699881557, Norwalk, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** November 29, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1033916861) · Data from the CMS NPPES public registry.