Debra J. Giesen, APRN
Family Nurse Practitioner · Waterbury, CT
Debra J. Giesen, APRN is a family nurse practitioner with a practice address in Waterbury, Connecticut, and NPI 1518549229, issued on Apr 22, 2021. Check the license (Connecticut 9639, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Debra J. Giesen
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 9639 CT
Self-reported in NPPES; status is on the state search - Practice location
- 3801 E Main St, Waterbury, CT 06705
- Phone
- (203) 709-4001
- Enumerated
- Apr 22, 2021
- Record last updated
- Aug 23, 2022
- Fax
- (203) 709-5290
- Medicare enrollment
- Enrolled (PECOS I20211011001497); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3801 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Iannotti, APRNFamily Nurse Practitioner1598584526
- Eliza LongSurgical Physician Assistant1144054842
- Kiley MichaelsPhysician Assistant1114516341
- Mirela Nicolescu, MDRheumatology Physician1750601985
- Nicole Sookhan, M.D.Surgery Physician1629262712
- Sneha Teresa Selvin, MDInternal Medicine Physician1407630122
Verify Debra J. Giesen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 9639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,643 Medicare Part D claims for 511 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 64 claims were for opioids.
Most prescribed
- Atorvastatin Calcium184 claims
- Albuterol Sulfate Hfa126 claims
- Amlodipine Besylate125 claims
- Lisinopril124 claims
- Rosuvastatin Calcium119 claims
- Metformin Hcl107 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,244.88
58 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Trinity Health OF New England Provider Network Organization IncWaterbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
75 family nurse practitioner records list a practice address in Waterbury
They are 75 of the 3,148 NPPES records with a practice address in Waterbury, and 2,669 family nurse practitioner records in Connecticut.
All 75 in Waterbury → All 2,669 in Connecticut → Every provider in Waterbury →
Other family nurse practitioner records in Connecticut
- Anna Liza Abastillas, APRNSouthington, CT1063572014
- Renato Abastillas, APRNRocky Hill, CT1568795821
- Farhiya AbdiSouth Windsor, CT1609382027
- Maryam Abdishoo, NPPutnam, CT1275143778
- Anwar Abdulrehman, APRNWaterbury, CT1194614255
- Adey Abebe, APRNDanbury, CT1558914648
- Talita Acciari, APRNNew Haven, CT1275469777
- Denise AceStratford, CT1003572033
- Kwame Acheampong, NPStratford, CT1659975969
- Tara Ackerly, FNPDanbury, CT1831331602
Common questions
What is Debra J. Giesen, APRN's NPI number?
Debra J. Giesen, APRN's National Provider Identifier (NPI) is 1518549229, issued on Apr 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Debra J. Giesen, APRN located?
The NPPES record lists a practice address at 3801 E Main St, Waterbury, CT, 06705. Phone: (203) 709-4001. Providers update this record themselves, so call before visiting.
How can I verify Debra J. Giesen, APRN's license?
NPPES lists Connecticut license number 9639, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Debra J. Giesen, APRN prescribe under Medicare Part D?
In 2024, Debra J. Giesen, APRN had 3,643 Medicare Part D claims for 511 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.