DEIRDRE M CLARK NP
NPI 1811251713
Nurse Practitioner - Adult Health in Willimantic, CT
About Deirdre M Clark Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEIRDRE M CLARK NP (NPI 1811251713) is an individual adult health provider in Willimantic, Connecticut, licensed in Connecticut (7460) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Norwich, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Deirdre M Clark Np 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 Reassignments
3Medicare enrollment records show Deirdre Clark reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norwich, CT 06360
- Reassigned Medicare billing, Connecticut enrollment
- 430 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 302 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLIMANTIC, CT 06226
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 Deirdre Clark's NPI number?
The NPI number for Deirdre Clark is 1811251713. It was assigned to this individual provider in the NPPES registry on June 26, 2012.
Where is Deirdre Clark located?
Deirdre Clark practices at 5 Founders St Ste 102, Willimantic, CT 06226. The listed phone number is (860) 456-2898.
What is Deirdre Clark's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Deirdre Clark enrolled in Medicare?
Yes. Deirdre Clark 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 organizations bill Medicare for Deirdre Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deirdre Clark reassigns Medicare benefits to 3 organizations: William W Backus Hospital (Norwich, CT), Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT) and Windham Community Memorial Hospital, Inc. (Willimantic, 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 Deirdre Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Deirdre Clark accept?
Health plans from Anthem Blue Cross and Blue Shield list Deirdre Clark 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 Deirdre Clark was last updated on April 25, 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.
# Deirdre M Clark, NP · NPI 1811251713
Adult Health physician in Willimantic, Connecticut. Individual provider, active in the CMS NPPES registry since June 26, 2012.
## Identity
- **NPI:** 1811251713 (Entity type: Individual)
- **Enumerated:** June 26, 2012
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 7460 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 5 FOUNDERS ST STE 102, Willimantic, CT 06226-2050
- **Phone:** (860) 456-2898
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): William W Backus Hospital (NPI 1730243536, Norwich, CT); Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT); Windham Community Memorial Hospital, Inc. (NPI 1023191467, Willimantic, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** April 25, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1811251713) · Data from the CMS NPPES public registry.