DEBRA J GIESEN APRN
NPI 1518549229
Nurse Practitioner - Family in Waterbury, CT
About Debra J Giesen Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEBRA J GIESEN APRN (NPI 1518549229) is an individual family provider in Waterbury, Connecticut, licensed in Connecticut (9639) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Waterbury, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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
Debra J Giesen Aprn 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 Debra Giesen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 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 4
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 06705 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 6
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 Debra Giesen's NPI number?
The NPI number for Debra Giesen is 1518549229. It was assigned to this individual provider in the NPPES registry on April 22, 2021.
Where is Debra Giesen located?
Debra Giesen practices at 3801 E Main St, Waterbury, CT 06705. The listed phone number is (203) 709-4001.
What is Debra Giesen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Debra Giesen enrolled in Medicare?
Yes. Debra Giesen 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 Debra Giesen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Debra Giesen reassigns Medicare benefits to Trinity Health Of New England Provider Network Organization Inc (Hartford, 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 Debra Giesen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Debra Giesen accept?
Health plans from Anthem Blue Cross and Blue Shield list Debra Giesen 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 Debra Giesen was last updated on August 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Debra J Giesen, APRN · NPI 1518549229
Family physician in Waterbury, Connecticut. Individual provider, active in the CMS NPPES registry since April 22, 2021.
## Identity
- **NPI:** 1518549229 (Entity type: Individual)
- **Enumerated:** April 22, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 9639 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 3801 E MAIN ST, Waterbury, CT 06705-3815
- **Phone:** (203) 709-4001 · **Fax:** (203) 709-5290
## 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:** Trinity Health Of New England Provider Network Organization Inc (NPI 1003882812, Hartford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** August 23, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1518549229) · Data from the CMS NPPES public registry.