Isabelle Louis
Family Nurse Practitioner · West Haven, CT
Isabelle Louis is a family nurse practitioner with a practice address in West Haven, Connecticut, and NPI 1497530448, issued on Aug 29, 2023. Check the license (Connecticut 12272, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isabelle Louis
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 12272 CT
Self-reported in NPPES; status is on the state search - Practice location
- 950 Campbell Ave, West Haven, CT 06516
- Phone
- (203) 932-5711
- Enumerated
- Aug 29, 2023
- Record last updated
- Feb 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20241113000093); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 950 Campbell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Abbott, LCSWSocial Worker1790734986
- Erica Abel, PH.D.Clinical Psychologist1982971222
- Audrey Abelleira, PHARMDPharmacist1831671577
- Mary Abraham, PHARMDPharmacist1386344950
- Linda Accordino, RN, MSNGerontology Nurse Practitioner1396853289
- Jenna Adamowicz, PH.D.Clinical Psychologist1356271266
Verify Isabelle Louis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 12272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family nurse practitioner in 2024
36 Medicare Part D claims for 20 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of 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: $217.46
5 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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
- Hartford Healthcare Medical Group Specialists PLLCNorth Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isabelle Louis among 2,669 family nurse practitioner records in Connecticut
Isabelle Louis is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 76% of them.
- NPI issued2023 · 76% of these records are older, 16% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2023 · median 2018 among the 1,664 with a school on file
- Record last updated2024 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
92 family nurse practitioner records list a practice address in West Haven
They are 92 of the 1,356 NPPES records with a practice address in West Haven, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in West Haven → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jeanne Arsenault, APRNWest Haven, CT 065161720030372
- Wendy Bellmore, APRNWest Haven, CT 065161710938600
- Judith Deshpande, APRN-BCWest Haven, CT 065161528008489
- Renee Donnarumma, MSN, APRNWest Haven, CT 065161831335462
- Faith Harrington, FNP-CWest Haven, CT 065161649234287
- Rose Iannino-Renz, APRNWest Haven, CT 065161720258817
- Yongmei Jin, APRNWest Haven, CT 065161598918773
- Neelam Narula, NPWest Haven, CT 065161134270002
Common questions
What is Isabelle Louis's NPI number?
Isabelle Louis's National Provider Identifier (NPI) is 1497530448, issued on Aug 29, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Isabelle Louis located?
The NPPES record lists a practice address at 950 Campbell Ave, West Haven, CT, 06516. Phone: (203) 932-5711. Providers update this record themselves, so call before visiting.
How can I verify Isabelle Louis's license?
NPPES lists Connecticut license number 12272, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Isabelle Louis prescribe under Medicare Part D?
In 2024, Isabelle Louis had 36 Medicare Part D claims for 20 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.