Gianina Thornton, AGNP
Nurse Practitioner · Bridgeport, CT
Gianina Thornton, AGNP is a nurse practitioner with a practice address in Bridgeport, Connecticut, and NPI 1124737887, issued on Nov 21, 2022. Check the license (Connecticut 13932, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gianina Thornton
- Credential
- AGNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 13932 CT
5017236 NC
Self-reported in NPPES; status is on the state search - Practice location
- 226 Mill Hill Ave, Bridgeport, CT 06610
- Phone
- (203) 384-3235
- Enumerated
- Nov 21, 2022
- Record last updated
- Jan 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20250529000151); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 922 in Connecticut → Look up another NPI →
Also registered at 226 Mill Hill Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gianina Thornton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 13932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average nurse practitioner in 2024
3,658 Medicare Part D claims for 540 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 100 claims were for opioids.
Most prescribed
- Amlodipine Besylate156 claims
- Atorvastatin Calcium122 claims
- Pantoprazole Sodium98 claims
- Losartan Potassium93 claims
- Metformin Hcl89 claims
- Levothyroxine Sodium86 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: $1,272.92
66 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 38,884 providers of this specialty with any payment received $791.64 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
- Northeast Medical Group IncBridgeport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gianina Thornton among 922 nurse practitioner records in Connecticut
Gianina Thornton, AGNP is one of 922 nurse practitioner records with a practice address in Connecticut. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 73% of them.
- NPI issued2022 · 73% of these records are older, 21% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2018 among the 522 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 nurse practitioner records list a practice address in Bridgeport
They are 41 of the 2,980 NPPES records with a practice address in Bridgeport, and 922 nurse practitioner records in Connecticut.
All 922 in Connecticut → Every provider in Bridgeport → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Cynthia Brown, APRNBridgeport, CT 066101982038618
- Michelle CostaBridgeport, CT 066101588307235
- Darcy Dornbos, NPBridgeport, CT 066101023403458
- Cassandra Esposito, NPBridgeport, CT 066101427674548
- Heather Ferrillo, APRNBridgeport, CT 066101194723866
- Alyssa Garza- Rice, APRNBridgeport, CT 066101164030565
- Wendy Grey, APRNBridgeport, CT 066101386664357
- Jill Keller, APRNBridgeport, CT 066101689713026
Common questions
What is Gianina Thornton, AGNP's NPI number?
Gianina Thornton, AGNP's National Provider Identifier (NPI) is 1124737887, issued on Nov 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Gianina Thornton, AGNP located?
The NPPES record lists a practice address at 226 Mill Hill Ave, Bridgeport, CT, 06610. Phone: (203) 384-3235. Providers update this record themselves, so call before visiting.
How can I verify Gianina Thornton, AGNP's license?
NPPES lists Connecticut license number 13932, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Gianina Thornton, AGNP prescribe under Medicare Part D?
In 2024, Gianina Thornton, AGNP had 3,658 Medicare Part D claims for 540 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.